Add a basic tool for collecting web comments

The idea of hic now lives as xP within the xK project,
and the idea of hib has been implemented within xC.

.gitignore

@@ -1 +1,15 @@
-/build
+/hasp/hasp
+/hid/hid
+/hnc/hnc
+/hpcu/hpcu
+/hswg/hswg
+/ht/ht
+/prototypes/tls-autodetect
+/prototypes/xgb-draw
+/prototypes/xgb-image
+/prototypes/xgb-keys
+/prototypes/xgb-monitors
+/prototypes/xgb-selection
+/prototypes/xgb-text-viewer
+/prototypes/xgb-window
+/prototypes/xgb-xrender

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+Copyright (c) 2018 - 2022, Přemysl Eric Janouch <p@janouch.name>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted.

README

@@ -1,291 +0,0 @@
-Project haven
-=============
-
-haven is an umbrella project for a range of mostly desktop applications.
-
-Goal
-----
-The greater goal is to create a fresh computing environment for daily work and
-play--easily controllable, reasonably complex, both visually and internally
-unified and last but not least responsive.  One should be able to use it
-comfortably with a 60% keyboard and no pointing device.
-
-haven serves as a testing ground, leaning on the side of compromises.  It aims
-to use today's Linux desktop as a support, relying on X11/Wayland, existing
-window managers and web browsers.
-
-The focus is therefore on going breadth-first, not depth-first.  Applications
-only need to be good enough to be able to replace their older siblings at all.
-I.e. for me personally.
-
-Scope
------
-Subproject names aim to have the minimum viable, reasonably identifiable name.
-To group them together, a common prefix of "h" is used.  The second column is
-what should be used as the name in .desktop files, just like the GNOME project
-figured out it would make sense:
-
- - hbe  - bitmap editor
- - hbfe - bitmap font editor
- - he   - text editor
- - hfm  - file manager
- - hib  - IRC bouncer
- - hic  - IRC client
- - hid  - IRC daemon
- - hiv  - image viewer
- - hm   - mail client
- - hmpc - MPD client
- - hnc  - netcat-alike
- - ho   - all-powerful organizer
- - hsm  - system monitor
- - hss  - spreadsheets
- - htd  - translation dictionary
- - ht   - terminal emulator
- - htk  - GUI toolkit library
-
-See Projects for more information about the individual projects.
-
-Some taken names in Debian: hd (important), hte, hy.
-
-Identity
---------
-The name merely hints at motivations and otherwise isn't of any practical
-significance other than that we need an identifier.  This time I resisted using
-something offensive for personal amusement.
-
-A logo covering the entire project is not needed and it seems hard to figure out
-anything meaninful anyway, though we might pick a specific font to use for the
-project name <1>.
-
-The only mascot I can think of would be a black and white or generally grayscale
-My Little Pony OC but I don't really want to bring my own kinks into the project
-and I'd also need to learn how to draw one so that I don't infringe on someone
-else's copyright, or find someone else to do it.  Anyway, in lack of a proper
-logo, she could have a simple "h" or "hvn" for a cutie mark <2>.
-
-         __
- <2>   _/ /_    <1>  | _     _          _    _
-      \  _  \        |/ \   / \| \  /  /_\ |/ \
-      / / / /        |   | |   | \  / |    |   |
-     /_/ /_/         |   |  \_/|  \/   \_/ |   |
-
-I'm not sure where I took this "h" letter styling from, it seems too familiar.
-The above illustrations also show how awful it looks when a logo is just
-a stylized version of the first letter of a name when you put the two next to
-each other.  Distinctly redundant.  Facebook and Twitter are doing fine, though,
-perhaps because they do not use them together like that.
-
-Technicalities
---------------
-
-Languages
-~~~~~~~~~
-Primarily Golang with limited C interfacing glue, secondarily C++17, mostly for
-when the former cannot be reasonably used because of dependencies.
-
-Build system
-~~~~~~~~~~~~
-https://github.com/zevv/bucklespring is a good example of a rather simplified
-project that makes do with a single Makefile, even for cross-compilation on
-Windows.  Let us avoid CMake and the likes of it.
-
-It seems that Go can link dynamically, therefore I could build libhaven.so
-https://docs.google.com/document/d/1nr-TQHw_er6GOQRsF6T43GGhFDelrAP0NqSS_00RgZQ
-https://stackoverflow.com/questions/1757090/shared-library-in-go
-and have the rest of the package as rather small binaries linking to it.
-The "cannot implicitly include runtime/cgo in a shared library" error is solved
-by "go install", which again requires "-pkgdir" because of privileges.
-libstd.so is a beautiful 30 megabytes (compared to libc.a: 4.9M).
-
-GUI
-~~~
-Probably build on top of X11/Xlib or xgb<1>.  Wayland can wait until it
-stabilizes--it should not be a major issue switching the backends.
-Vector graphics can be handled by draw2d<2>.
-<1> https://rosettacode.org/wiki/Window_creation/X11#Go
-<2> https://github.com/llgcode/draw2d
-
-The c2 wiki unsurprisingly has a lot of material around the design and
-realisation of GUIs, which might be useful.
-
-It seems like an aligning/constraint-based "layout manager" will be one of the
-first harder problems here.  However I certainly don't want to use fixed
-coordinates as they would introduce problems with different fonts and i18n.
-
-We could use BDF fonts from the X11 distribution, but draw2d has native support
-for FreeType fonts and it's more of a choice between vectors and bitmaps.
-
-The looks will be heavily inspired by Haiku and Windows 2000 and the user will
-have no say in this, for simplicity.
-
-Resources:
- - https://github.com/golang/exp/tree/master/shiny is a GUI library
- - https://github.com/as/shiny is a fork of it
- - http://man.cat-v.org/plan_9/1/rio has a particular, unusual model
-
-Internationalisation
-~~~~~~~~~~~~~~~~~~~~
-For i18n https://github.com/leonelquinteros/gotext could be used, however I'll
-probably give up on this issue as I'm fine enough with English.
-
-Go also has x/text packages for this purpose, which might be better than GNU,
-but they're essentially still in development.
-
-Versioning
-~~~~~~~~~~
-Versions are for end users.  We can use a zero-based, strictly increasing
-number, be it a simple sequence or date-based numbers such as 1807.  If we do
-this at all, we will eventually also need to release patch versions.
-
-Since dates don't seem to convey important information, let us settle on 0, 1,
-1.1, 2, 3, 3.1, 3.2, ...  In practice releases are going to be scarce, unless
-we find a person to take care of it.  Note that there is no major/minor pair--
-a new project will be created when radical philosophical or architectural
-changes are to be made.  See Goal.
-
-Projects
---------
-These are sorted in the order in which they should be created in order to gain
-the best possible momentum.  The htk GUI toolkit is implied as a side product
-permeating the entire list.
-
-Some information is omitted from these descriptions and lies either in my head
-or in my other notes.
-
-hid -- IRC daemon
-~~~~~~~~~~~~~~~~~
-This project is unimportant by itself, its sole purpose is to gain experience
-with Go on something that I have already done and understand well.  Nothing
-beyond achieving feature parity is in the initial scope.
-
-One possibility of complicating would be adding simple WebSocket listeners but
-that's already been done for me https://github.com/kiwiirc/webircgateway and
-it's even in Go, I just need to set up kiwiirc.
-
-Later, when we have a pleasant IRC client, implement either the P10 or the TS6
-server-linking protocol and make atheme work with a generic module.
-Alternatively add support for plugins.  The goal is to allow creating integrated
-bridges to various public forums.
-
-hnc -- netcat-alike
-~~~~~~~~~~~~~~~~~~~
-The result of testing hid with telnet, OpenSSL s_client, OpenBSD nc, GNU nc and
-Ncat is that neither of them can properly shutdown the connection.  We need
-a good implementation with TLS support.
-
-hpcu -- PRIMARY-CLIPBOARD unifier
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-An improved replacement for autocutsel in selection synchronization "mode":
-
- - using only one OS process;
- - not polling selections twice a second unnecessarily;
- - calling SetSelectionOwner on change even when it already owns the selection,
-   so that XFIXES SelectionNotify events are delivered;
- - not using cut buffers for anything.
-
-Only UTF8_STRING-convertible selections are synchronized.
-
-hasp -- (lib)asciidoc syntax preprocessor
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Provisional tool to make libasciidoc understand more syntax, namely two-line/
-underlined titles for my Gitea projects.
-
-ht -- terminal emulator
-~~~~~~~~~~~~~~~~~~~~~~~
-Similar scope to st(1).  Clever display of internal padding for better looks.
-
-hib and hic -- IRC bouncer and client
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-An IRC client is a good starting application for building a GUI toolkit, as the
-UI can afford to be truly minimalistic and most of it is text.
-
-To resolve an issue I have with my current IRC client, the client is going to be
-split into two parts: a bouncer that manages all connections and state, and
-a separate GUI that communicates with the backend over TLS/WebSocket.  Perhaps
-only the per-buffer input line is going to be desynchronized.
-
-https://godoc.org/github.com/gorilla/websocket
-
-The higher-level client-server API could be made rather generic to allow for
-smooth integration with non-IRC "backends" such as Slack or Mattermost.
-
-he -- text editor
-~~~~~~~~~~~~~~~~~
-VIM controls, no scripting, no syntax highlight, single-file, made for variable-
--width/proportional fonts.  Initially done primarily to produce a text editing
-widget, which is going to be an interesting challenge, arguably better solved by
-whole program composition.  Scintilla may provide some inspiration.
-
-In the second stage, support for the Language Server Protocol will be added so
-that the project can be edited using its own tools.  Some scripting, perhaps
-a tiny subset of VimL, might be desirable.  Or other means of configuration.
-
-Visual block mode or the color column may still be implemented.
-
-The real model for the editor is Qt Creator with FakeVIM, though this is not to
-be a clone of it, e.g. the various "Output" lists could be just special buffers,
-which may be have names starting on "// ".
-
-Resources:
- - http://doc.cat-v.org/plan_9/4th_edition/papers/sam/
-
-ho -- all-powerful organizer
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Zettelkasten with fulltext search, arbitrary reciprocal links, arbitrary tags.
-Flat storage.  Should be able to use translation dictionaries for search hints.
-
-Indexing and search may be based on a common database, no need to get all fancy:
-http://rachbelaid.com/postgres-full-text-search-is-good-enough/
-https://www.sqlite.org/fts3.html#full_text_index_queries (FTS4 seems better)
-
-htd -- translation dictionary
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-This specific kind of application doesn't need a lot of user interface either,
-just a tab bar, text entry and two columns of text with simple formatting.
-
-For simplicity we will establish a custom dictionary format based on either
-simple compress/gzip with separate files in StarDict style or, since we don't
-really strive for random access and memory-efficiency (those 120M that sdtui
-takes with my 10 dictionaries isn't particularly bad), pack everything with
-archive/zip.
-
-Instead of ICU we may use x/text/collate and that's about everything we need.
-Since we have our own format, we may expect the index to be ordered by the
-locale's rules, assuming they don't change between versions.
-
-hmpc -- MPD client
-~~~~~~~~~~~~~~~~~~
-Here the focus will be on the GUI toolkit.  I don't expect this application to
-get big, since its predecessor nncmpp isn't either.  The daemon takes care of
-all complex stuff.  It would be nice to add lyrics and search later, though.
-
-hiv -- image viewer
-~~~~~~~~~~~~~~~~~~~
-JPG, PNG, first frame of GIF.  Zoom.  Going through adjacent files in directory
-using cursor keys.  Possibly a dialog with image metadata.
-
-hfm -- file manager
-~~~~~~~~~~~~~~~~~~~
-All we need to achieve here is replace Midnight Commander, which besides the
-most basic features includes a VFS for archives.  The editing widget in read-
--only mode could be used for F3.  The shell is going to work very simply,
-creating a PTY device and running things under TERM=dumb while decoding SGR,
-or one could decide to run a new terminal emulator with a different shortcut.
-ht could probably also be integrated.
-
-Eventually the number of panels should be arbitrary with proper shortcuts for
-working with them.  We might also integrate a special view for picture previews,
-which might or might not deserve its own program.
-
-hss -- spreadsheets
-~~~~~~~~~~~~~~~~~~~
-The first version doesn't need to be able to reference other cells, and can more
-or less be a CSV editor.
-
-We can take inspiration from Excel:
-https://docs.microsoft.com/en-us/office/client-developer/excel/excel-recalculation
-https://www.microsoft.com/en-us/research/uploads/prod/2018/03/build-systems.pdf
-
-The rest
-~~~~~~~~
-Currently there are no significant, specific plans about the other applications.

README.adoc

@@ -0,0 +1,155 @@
+Project haven
+=============
+
+haven is an umbrella project for a range of mostly desktop applications.
+
+This README is being converted into a wiki on the wiki branch, also publicly
+available at https://p.janouch.name/haven/Haven.html[].  We should only document
+here that which has been created, as the extent of the rationale and plans is
+gigantic and seems to have a life of its own.
+
+Goal
+----
+The greater goal is to create a fresh computing environment for daily work and
+play--easily controllable, reasonably complex, both visually and internally
+unified and last but not least responsive.  One should be able to use it
+comfortably with a 60% keyboard and no pointing device.
+
+haven serves as a testing ground, leaning on the side of compromises.  It aims
+to use today's Linux desktop as a support, relying on X11/Wayland, existing
+window managers and web browsers.
+
+The focus is therefore on going breadth-first, not depth-first.  Applications
+only need to be good enough to be able to replace their older siblings at all.
+I.e. for me personally.
+
+Scope
+-----
+Subproject names aim to have the minimum viable, reasonably identifiable name.
+To group them together, a common prefix of "h" is used.  The second column is
+what should be used as the name in .desktop files, just like the GNOME project
+figured out it would make sense:
+
+ - hbe  - bitmap editor
+ - hbfe - bitmap font editor
+ - he   - text editor
+ - hfm  - file manager
+ - hm   - mail client
+ - hnc  - netcat-alike
+ - ho   - all-powerful organizer
+ - hsm  - system monitor
+ - hss  - spreadsheets
+ - htd  - translation dictionary
+ - ht   - terminal emulator
+ - htk  - GUI toolkit library
+
+See Projects for more information about the individual projects.
+
+Some taken names in Debian: hd (important), hte, hy.
+
+Projects
+--------
+These are sorted in the order in which they should be created in order to gain
+the best possible momentum.  The htk GUI toolkit is implied as a side product
+permeating the entire list.
+
+Some information is omitted from these descriptions and lies either in my head
+or in my other notes.
+
+hnc -- netcat-alike
+~~~~~~~~~~~~~~~~~~~
+The result of testing xK/xS with telnet, OpenSSL s_client, OpenBSD nc, GNU nc,
+and Ncat is that neither of them can properly shutdown the connection.
+We need a good implementation with TLS support.
+
+hpcu -- PRIMARY-CLIPBOARD unifier
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+An improved replacement for autocutsel in selection synchronization "mode":
+
+ - using only one OS process;
+ - not polling selections twice a second unnecessarily;
+ - calling SetSelectionOwner on change even when it already owns the selection,
+   so that XFIXES SelectionNotify events are delivered;
+ - not using cut buffers for anything.
+
+Only UTF8_STRING-convertible selections are synchronized.
+
+hswg -- static website generator
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+link:hswg/README.adoc[See hswg's README for details.]
+
+ht -- terminal emulator
+~~~~~~~~~~~~~~~~~~~~~~~
+Similar scope to st(1).  Clever display of internal padding for better looks.
+
+he -- text editor
+~~~~~~~~~~~~~~~~~
+VIM controls, no scripting, no syntax highlight, single-file, made for
+variable-width/proportional fonts.  Initially done primarily to produce a text
+editing widget, which is going to be an interesting challenge, arguably better
+solved by whole program composition.  Scintilla may provide some inspiration.
+
+In the second stage, support for the Language Server Protocol will be added so
+that the project can be edited using its own tools.  Some scripting, perhaps
+a tiny subset of VimL, might be desirable.  Or other means of configuration.
+
+Visual block mode or the color column may still be implemented.
+
+The real model for the editor is Qt Creator with FakeVIM, though this is not to
+be a clone of it, e.g. the various "Output" lists could be just special buffers,
+which may be have names starting on "// ".
+
+.Resources:
+ - http://doc.cat-v.org/plan_9/4th_edition/papers/sam/
+
+ho -- all-powerful organizer
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Zettelkasten with fulltext search, arbitrary reciprocal links, arbitrary tags.
+Flat storage.  Should be able to use translation dictionaries for search hints.
+
+Indexing and search may be based on a common database, no need to get all fancy:
+
+ - http://rachbelaid.com/postgres-full-text-search-is-good-enough/
+ - https://www.sqlite.org/fts3.html#full_text_index_queries (FTS4 seems better)
+
+htd -- translation dictionary
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+This specific kind of application doesn't need a lot of user interface either,
+just a tab bar, text entry and two columns of text with simple formatting.
+
+For simplicity we will establish a custom dictionary format based on either
+simple compress/gzip with separate files in StarDict style or, since we don't
+really strive for random access and memory-efficiency (those 120M that sdtui
+takes with my 10 dictionaries isn't particularly bad), pack everything with
+archive/zip.
+
+Instead of ICU we may use x/text/collate and that's about everything we need.
+Since we have our own format, we may expect the index to be ordered by the
+locale's rules, assuming they don't change between versions.
+
+hfm -- file manager
+~~~~~~~~~~~~~~~~~~~
+All we need to achieve here is replace Midnight Commander, which besides the
+most basic features includes a VFS for archives.  The editing widget in
+read-only mode could be used for F3.  The shell is going to work very simply,
+creating a PTY device and running things under TERM=dumb while decoding SGR,
+or one could decide to run a new terminal emulator with a different shortcut.
+ht could probably also be integrated.
+
+Eventually the number of panels should be arbitrary with proper shortcuts for
+working with them.  We might also integrate a special view for picture previews,
+which might or might not deserve its own program.
+
+hss -- spreadsheets
+~~~~~~~~~~~~~~~~~~~
+The first version doesn't need to be able to reference other cells, and can more
+or less be a CSV editor.
+
+We can take inspiration from Excel:
+
+ - https://docs.microsoft.com/en-us/office/client-developer/excel/excel-recalculation
+ - https://www.microsoft.com/en-us/research/uploads/prod/2018/03/build-systems.pdf
+
+The rest
+~~~~~~~~
+Currently there are no significant, specific plans about the other applications.

go.mod

@@ -0,0 +1,26 @@
+module janouch.name/haven
+
+go 1.17
+
+require (
+	github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802
+	github.com/bytesparadise/libasciidoc v0.7.1-0.20221008082129-967103fe8df6
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
+	golang.org/x/image v0.0.0-20190802002840-cff245a6509b
+)
+
+require github.com/sirupsen/logrus v1.8.1 // indirect
+
+require (
+	github.com/alecthomas/chroma/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dlclark/regexp2 v1.4.0 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
+	golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/tools v0.1.9 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)

go.sum

@@ -0,0 +1,418 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DataDog/gostackparse v0.5.0/go.mod h1:lTfqcJKqS9KnXQGnyQMCugq3u1FP6UZMfWR0aitKFMM=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/alecthomas/chroma/v2 v2.3.0 h1:83xfxrnjv8eK+Cf8qZDzNo3PPF9IbTWHs7z28GY6D0U=
+github.com/alecthomas/chroma/v2 v2.3.0/go.mod h1:mZxeWZlxP2Dy+/8cBob2PYd8O2DwNAzave5AY7A2eQw=
+github.com/alecthomas/repr v0.1.0 h1:ENn2e1+J3k09gyj2shc0dHr/yjaWSHRlrJ4DPMevDqE=
+github.com/alecthomas/repr v0.1.0/go.mod h1:2kn6fqh/zIyPLmm3ugklbEi5hg5wS435eygvNfaDQL8=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

hid/hid-gen-replies.sh

@@ -1,16 +0,0 @@
-#!/bin/sh
-LC_ALL=C exec awk '
-	/^[0-9]+ *(ERR|RPL)_[A-Z]+ *".*"$/ {
-		match($0, /".*"/);
-		ids[$1] = $2;
-		texts[$2] = substr($0, RSTART, RLENGTH);
-	}
-	END {
-		print "package " ENVIRON["GOPACKAGE"] "\n\nconst ("
-		for (i in ids)
-			printf("\t%s = %s\n", ids[i], i)
-		print ")\n\nvar defaultReplies = map[int]string{"
-		for (i in ids)
-			print "\t" ids[i] ": " texts[ids[i]] ","
-		print "}"
-	}'

hid/hid-replies

@@ -1,87 +0,0 @@
-1 RPL_WELCOME ":Welcome to the Internet Relay Network %s!%s@%s"
-2 RPL_YOURHOST ":Your host is %s, running version %s"
-3 RPL_CREATED ":This server was created %s"
-4 RPL_MYINFO "%s %s %s %s"
-5 RPL_ISUPPORT "%s :are supported by this server"
-211 RPL_STATSLINKINFO "%s %d %d %d %d %d %d"
-212 RPL_STATSCOMMANDS "%s %d %d %d"
-219 RPL_ENDOFSTATS "%c :End of STATS report"
-221 RPL_UMODEIS "+%s"
-242 RPL_STATSUPTIME ":Server Up %d days %d:%02d:%02d"
-251 RPL_LUSERCLIENT ":There are %d users and %d services on %d servers"
-252 RPL_LUSEROP "%d :operator(s) online"
-253 RPL_LUSERUNKNOWN "%d :unknown connection(s)"
-254 RPL_LUSERCHANNELS "%d :channels formed"
-255 RPL_LUSERME ":I have %d clients and %d servers"
-301 RPL_AWAY "%s :%s"
-302 RPL_USERHOST ":%s"
-303 RPL_ISON ":%s"
-305 RPL_UNAWAY ":You are no longer marked as being away"
-306 RPL_NOWAWAY ":You have been marked as being away"
-311 RPL_WHOISUSER "%s %s %s * :%s"
-312 RPL_WHOISSERVER "%s %s :%s"
-313 RPL_WHOISOPERATOR "%s :is an IRC operator"
-314 RPL_WHOWASUSER "%s %s %s * :%s"
-315 RPL_ENDOFWHO "%s :End of WHO list"
-317 RPL_WHOISIDLE "%s %d :seconds idle"
-318 RPL_ENDOFWHOIS "%s :End of WHOIS list"
-319 RPL_WHOISCHANNELS "%s :%s"
-322 RPL_LIST "%s %d :%s"
-323 RPL_LISTEND ":End of LIST"
-324 RPL_CHANNELMODEIS "%s +%s"
-329 RPL_CREATIONTIME "%s %d"
-331 RPL_NOTOPIC "%s :No topic is set"
-332 RPL_TOPIC "%s :%s"
-333 RPL_TOPICWHOTIME "%s %s %d"
-341 RPL_INVITING "%s %s"
-346 RPL_INVITELIST "%s %s"
-347 RPL_ENDOFINVITELIST "%s :End of channel invite list"
-348 RPL_EXCEPTLIST "%s %s"
-349 RPL_ENDOFEXCEPTLIST "%s :End of channel exception list"
-351 RPL_VERSION "%s.%d %s :%s"
-352 RPL_WHOREPLY "%s %s %s %s %s %s :%d %s"
-353 RPL_NAMREPLY "%c %s :%s"
-364 RPL_LINKS "%s %s :%d %s"
-365 RPL_ENDOFLINKS "%s :End of LINKS list"
-366 RPL_ENDOFNAMES "%s :End of NAMES list"
-367 RPL_BANLIST "%s %s"
-368 RPL_ENDOFBANLIST "%s :End of channel ban list"
-369 RPL_ENDOFWHOWAS "%s :End of WHOWAS"
-372 RPL_MOTD ":- %s"
-375 RPL_MOTDSTART ":- %s Message of the day - "
-376 RPL_ENDOFMOTD ":End of MOTD command"
-391 RPL_TIME "%s :%s"
-401 ERR_NOSUCHNICK "%s :No such nick/channel"
-402 ERR_NOSUCHSERVER "%s :No such server"
-403 ERR_NOSUCHCHANNEL "%s :No such channel"
-404 ERR_CANNOTSENDTOCHAN "%s :Cannot send to channel"
-406 ERR_WASNOSUCHNICK "%s :There was no such nickname"
-409 ERR_NOORIGIN ":No origin specified"
-410 ERR_INVALIDCAPCMD "%s :%s"
-411 ERR_NORECIPIENT ":No recipient given (%s)"
-412 ERR_NOTEXTTOSEND ":No text to send"
-421 ERR_UNKNOWNCOMMAND "%s: Unknown command"
-422 ERR_NOMOTD ":MOTD File is missing"
-423 ERR_NOADMININFO "%s :No administrative info available"
-431 ERR_NONICKNAMEGIVEN ":No nickname given"
-432 ERR_ERRONEOUSNICKNAME "%s :Erroneous nickname"
-433 ERR_NICKNAMEINUSE "%s :Nickname is already in use"
-441 ERR_USERNOTINCHANNEL "%s %s :They aren't on that channel"
-442 ERR_NOTONCHANNEL "%s :You're not on that channel"
-443 ERR_USERONCHANNEL "%s %s :is already on channel"
-445 ERR_SUMMONDISABLED ":SUMMON has been disabled"
-446 ERR_USERSDISABLED ":USERS has been disabled"
-451 ERR_NOTREGISTERED ":You have not registered"
-461 ERR_NEEDMOREPARAMS "%s :Not enough parameters"
-462 ERR_ALREADYREGISTERED ":Unauthorized command (already registered)"
-467 ERR_KEYSET "%s :Channel key already set"
-471 ERR_CHANNELISFULL "%s :Cannot join channel (+l)"
-472 ERR_UNKNOWNMODE "%c :is unknown mode char to me for %s"
-473 ERR_INVITEONLYCHAN "%s :Cannot join channel (+i)"
-474 ERR_BANNEDFROMCHAN "%s :Cannot join channel (+b)"
-475 ERR_BADCHANNELKEY "%s :Cannot join channel (+k)"
-476 ERR_BADCHANMASK "%s :Bad Channel Mask"
-481 ERR_NOPRIVILEGES ":Permission Denied- You're not an IRC operator"
-482 ERR_CHANOPRIVSNEEDED "%s :You're not channel operator"
-501 ERR_UMODEUNKNOWNFLAG ":Unknown MODE flag"
-502 ERR_USERSDONTMATCH ":Cannot change mode for other users"

hid/main_test.go

@@ -1,168 +0,0 @@
-//
-// Copyright (c) 2015 - 2018, Přemysl Janouch <p@janouch.name>
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
-// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-//
-
-package main
-
-import (
-	"crypto/tls"
-	"net"
-	"os"
-	"reflect"
-	"syscall"
-	"testing"
-)
-
-func TestSplitString(t *testing.T) {
-	var splitStringTests = []struct {
-		s, delims   string
-		ignoreEmpty bool
-		result      []string
-	}{
-		{",a,,bc", ",", false, []string{"", "a", "", "bc"}},
-		{",a,,bc", ",", true, []string{"a", "bc"}},
-		{"a,;bc,", ",;", false, []string{"a", "", "bc", ""}},
-		{"a,;bc,", ",;", true, []string{"a", "bc"}},
-		{"", ",", false, []string{""}},
-		{"", ",", true, nil},
-	}
-
-	for i, d := range splitStringTests {
-		got := splitString(d.s, d.delims, d.ignoreEmpty)
-		if !reflect.DeepEqual(got, d.result) {
-			t.Errorf("case %d: %v should be %v\n", i, got, d.result)
-		}
-	}
-}
-
-func socketpair() (*os.File, *os.File, error) {
-	pair, err := syscall.Socketpair(syscall.AF_UNIX, syscall.SOCK_STREAM, 0)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	// See go #24331, this makes 1.11 use the internal poller
-	// while there wasn't a way to achieve that before.
-	if err := syscall.SetNonblock(int(pair[0]), true); err != nil {
-		return nil, nil, err
-	}
-	if err := syscall.SetNonblock(int(pair[1]), true); err != nil {
-		return nil, nil, err
-	}
-
-	fa := os.NewFile(uintptr(pair[0]), "a")
-	if fa == nil {
-		return nil, nil, os.ErrInvalid
-	}
-
-	fb := os.NewFile(uintptr(pair[1]), "b")
-	if fb == nil {
-		fa.Close()
-		return nil, nil, os.ErrInvalid
-	}
-
-	return fa, fb, nil
-}
-
-func TestDetectTLS(t *testing.T) {
-	detectTLSFromFunc := func(t *testing.T, writer func(net.Conn)) bool {
-		// net.Pipe doesn't use file descriptors, we need a socketpair.
-		sockA, sockB, err := socketpair()
-		if err != nil {
-			t.Fatal(err)
-		}
-		defer sockA.Close()
-		defer sockB.Close()
-
-		fcB, err := net.FileConn(sockB)
-		if err != nil {
-			t.Fatal(err)
-		}
-		go writer(fcB)
-
-		fcA, err := net.FileConn(sockA)
-		if err != nil {
-			t.Fatal(err)
-		}
-		sc, err := fcA.(syscall.Conn).SyscallConn()
-		if err != nil {
-			t.Fatal(err)
-		}
-		return detectTLS(sc)
-	}
-
-	t.Run("SSL_2.0", func(t *testing.T) {
-		if !detectTLSFromFunc(t, func(fc net.Conn) {
-			// The obsolete, useless, unsupported SSL 2.0 record format.
-			_, _ = fc.Write([]byte{0x80, 0x01, 0x01})
-		}) {
-			t.Error("could not detect SSL")
-		}
-	})
-	t.Run("crypto_tls", func(t *testing.T) {
-		if !detectTLSFromFunc(t, func(fc net.Conn) {
-			conn := tls.Client(fc, &tls.Config{InsecureSkipVerify: true})
-			_ = conn.Handshake()
-		}) {
-			t.Error("could not detect TLS")
-		}
-	})
-	t.Run("text", func(t *testing.T) {
-		if detectTLSFromFunc(t, func(fc net.Conn) {
-			_, _ = fc.Write([]byte("ПРЕВЕД"))
-		}) {
-			t.Error("detected UTF-8 as TLS")
-		}
-	})
-	t.Run("EOF", func(t *testing.T) {
-		type connCloseWriter interface {
-			net.Conn
-			CloseWrite() error
-		}
-		if detectTLSFromFunc(t, func(fc net.Conn) {
-			_ = fc.(connCloseWriter).CloseWrite()
-		}) {
-			t.Error("detected EOF as TLS")
-		}
-	})
-}
-
-func TestIRC(t *testing.T) {
-	msg := ircParseMessage(
-		`@first=a\:\s\r\n\\;2nd :srv hi there :good m8 :how are you?`)
-
-	if !reflect.DeepEqual(msg.tags, map[string]string{
-		"first": "a; \r\n\\",
-		"2nd":   "",
-	}) {
-		t.Error("tags parsed incorrectly")
-	}
-
-	if msg.nick != "srv" || msg.user != "" || msg.host != "" {
-		t.Error("server name parsed incorrectly")
-	}
-	if msg.command != "hi" {
-		t.Error("command name parsed incorrectly")
-	}
-	if !reflect.DeepEqual(msg.params,
-		[]string{"there", "good m8 :how are you?"}) {
-		t.Error("params parsed incorrectly")
-	}
-
-	if !ircEqual("[fag]^", "{FAG}~") {
-		t.Error("string case comparison not according to RFC 2812")
-	}
-
-	// TODO: More tests.
-}

hnc/main.go

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.

hpcu/main.go

@@ -92,7 +92,7 @@ func getProperty(window xproto.Window, property xproto.Atom) (
 	// chunking the requests. This has a cost of losing atomicity, although
 	// it shouldn't pose a problem except for timeout-caused INCR races.
 	var result xproto.GetPropertyReply
-	for result.Length == 0 || result.BytesAfter > 0 {
+	for (result.Sequence == 0 && result.Length == 0) || result.BytesAfter > 0 {
 		reply, err := xproto.GetProperty(X, false, /* delete */
 			window, property, xproto.GetPropertyTypeAny,
 			uint32(len(result.Value))/4,
@@ -133,18 +133,16 @@ func requestOwnership(origin *selectionState, time xproto.Timestamp) {
 	}
 }
 
-func handleEvent(ev nexgb.Event) {
-	switch e := ev.(type) {
-	case xfixes.SelectionNotifyEvent:
+func handleXfixesSelectionNotify(e xfixes.SelectionNotifyEvent) {
 	state, ok := selections[e.Selection]
 	if !ok {
-			break
+		return
 	}
 
 	// Ownership request has been granted, don't ask ourselves for data.
 	if e.Owner == wid {
 		state.owning = e.SelectionTimestamp
-			break
+		return
 	}
 
 	// This should always be true.
@@ -155,7 +153,7 @@ func handleEvent(ev nexgb.Event) {
 	// Not checking whether we should give up when our current retrieval
 	// attempt is interrupted--the timeout mostly solves this.
 	if e.Owner == xproto.WindowNone {
-			break
+		return
 	}
 
 	// Don't try to process two things at once. Each request gets a few
@@ -163,7 +161,7 @@ func handleEvent(ev nexgb.Event) {
 	// doesn't commence. Ideally we'd set up a separate queue for these
 	// skipped requests and process them later.
 	if state.inProgress != 0 && e.Timestamp-state.inProgress < 5000 {
-			break
+		return
 	}
 
 	// ICCCM says we should ensure the named property doesn't exist.
@@ -174,22 +172,23 @@ func handleEvent(ev nexgb.Event) {
 
 	state.inProgress = e.Timestamp
 	state.incr = false
+}
 
-	case xproto.SelectionNotifyEvent:
+func handleSelectionNotify(e xproto.SelectionNotifyEvent) {
 	state, ok := selections[e.Selection]
 	if e.Requestor != wid || !ok || e.Time != state.inProgress {
-			break
+		return
 	}
 
 	state.inProgress = 0
 	if e.Property == xproto.AtomNone {
-			break
+		return
 	}
 
 	state.buffer = nil
 	reply, err := getProperty(e.Requestor, e.Property)
 	if err != nil {
-			break
+		return
 	}
 
 	// When you select a lot of text in VIM, it starts the ICCCM
@@ -203,18 +202,19 @@ func handleEvent(ev nexgb.Event) {
 	}
 
 	_ = xproto.DeleteProperty(X, e.Requestor, e.Property)
+}
 
-	case xproto.PropertyNotifyEvent:
+func handlePropertyNotify(e xproto.PropertyNotifyEvent) {
 	state, ok := selections[e.Atom]
 	if e.Window != wid || e.State != xproto.PropertyNewValue ||
 		!ok || !state.incr {
-			break
+		return
 	}
 
 	reply, err := getProperty(e.Window, e.Atom)
 	if err != nil {
 		state.incrFailed = true
-			break
+		return
 	}
 
 	if !appendText(state, reply) {
@@ -232,7 +232,9 @@ func handleEvent(ev nexgb.Event) {
 
 	_ = xproto.DeleteProperty(X, e.Window, e.Atom)
 
-	case xproto.SelectionRequestEvent:
+}
+
+func handleSelectionRequest(e xproto.SelectionRequestEvent) {
 	property := e.Property
 	if property == xproto.AtomNone {
 		property = e.Target
@@ -240,7 +242,7 @@ func handleEvent(ev nexgb.Event) {
 
 	state, ok := selections[e.Selection]
 	if e.Owner != wid || !ok {
-			break
+		return
 	}
 
 	var (
@@ -307,6 +309,18 @@ func handleEvent(ev nexgb.Event) {
 
 	_ = xproto.SendEvent(X, false /* propagate */, e.Requestor,
 		0 /* event mask */, string(response.Bytes()))
+}
+
+func handleXEvent(ev nexgb.Event) {
+	switch e := ev.(type) {
+	case xfixes.SelectionNotifyEvent:
+		handleXfixesSelectionNotify(e)
+	case xproto.SelectionNotifyEvent:
+		handleSelectionNotify(e)
+	case xproto.PropertyNotifyEvent:
+		handlePropertyNotify(e)
+	case xproto.SelectionRequestEvent:
+		handleSelectionRequest(e)
 	}
 }
 
@@ -345,7 +359,7 @@ func main() {
 			return
 		}
 		if ev != nil {
-			handleEvent(ev)
+			handleXEvent(ev)
 		}
 	}
 }

hswc/main.go

@@ -0,0 +1,101 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"net/url"
+	"os"
+	"regexp"
+	"strings"
+	"sync"
+	"time"
+)
+
+var (
+	long           = regexp.MustCompile(`(.{72}\S*)\s+`)
+	file, requests *os.File
+	m              sync.Mutex
+)
+
+func wrap(s string) string {
+	return strings.ReplaceAll(long.ReplaceAllString(
+		strings.ReplaceAll(s, "\r", ""), "$1\n"), "\n", "\n ")
+}
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+	if err := r.ParseForm(); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+	text := r.FormValue("text")
+	if len(text) > 64<<10 {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	m.Lock()
+	defer m.Unlock()
+
+	j, _ := json.Marshal(struct {
+		URI     string
+		Headers http.Header
+		Form    url.Values
+	}{
+		URI:     r.RequestURI,
+		Headers: r.Header,
+		Form:    r.Form,
+	})
+
+	if s, err := file.Stat(); err != nil {
+		log.Fatalln(err)
+	} else if s.Size()+int64(len(text)) > 64<<20 {
+		w.WriteHeader(http.StatusInternalServerError)
+	} else if r.Form.Has("submit") {
+		// <input type="submit"> should not be named, and thus received.
+		//
+		// If this is not enough to filter out most spammers, consider also:
+		//  - Header: "Origin" should not be missing for POST.
+		//  - Header: "Accept" should not be "*/*".
+		//  - Header: "Accept-Language" and "Accept-Encoding" should be present.
+		//  - Form: _charset_ should not be kept verbatim,
+		//    seeing as Safari/Chromium/Firefox all pass UTF-8,
+		//    in accordance with HTML5.
+		w.WriteHeader(http.StatusTeapot)
+	} else {
+		fmt.Fprintf(file, "%s %s\n %s\n",
+			time.Now().Local().Format(time.RFC1123), r.RequestURI, wrap(text))
+		if err := file.Sync(); err != nil {
+			log.Fatalln(err)
+		}
+
+		// To help filter out spammers.
+		fmt.Fprintf(requests, "%s\n", j)
+		if err := requests.Sync(); err != nil {
+			log.Fatalln(err)
+		}
+
+		fmt.Fprintln(w, "Saved.")
+	}
+}
+
+func main() {
+	if len(os.Args) != 3 {
+		log.Fatalf("Usage: %s BIND DB\n", os.Args[0])
+	}
+
+	var err error
+	if file, err = os.OpenFile(os.Args[2],
+		os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644); err != nil {
+		log.Fatalln(err)
+	}
+	if requests, err = os.OpenFile(os.Args[2]+".requests",
+		os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644); err != nil {
+		log.Fatalln(err)
+	}
+
+	http.HandleFunc("/", handler)
+	log.Fatalln(http.ListenAndServe(os.Args[1], nil))
+}

hswg/README.adoc

@@ -0,0 +1,62 @@
+hswg: a static website generator
+================================
+
+hswg wraps libasciidoc to make it understand more syntax, namely
+two-line/underlined titles, and can be run either as a filter, or as a simple
+wiki-like site generator.
+
+Gitea/cgit AsciiDoc processor
+-----------------------------
+Wrap hswg in the following script to give it a few superpowers:
+
+```
+#!/bin/sh
+# Make this also work for cgit which, strangely enough, is willing to render
+# /anything/ via the /about route, only passing through image/* unchanged.
+if [ -z "$GITEA_PREFIX_SRC" ]; then
+    test "${1%.adoc}" != "$1" || exit 1
+    cgit_fixups='s/<div class="content">/<div>/'
+    export GITEA_PREFIX_SRC=. GITEA_PREFIX_RAW=.
+fi
+
+# libasciidoc can't be helped in other ways so far, adding support for:
+#  - the original 'italics' syntax
+#  - double-line headings (part of haven's hswg which invokes libasciidoc)
+#  - make links to other documents work, normally an attribute could be used
+perl -pe "s|'([-~/\\.\\w]+)'|_\$1_|g;" | hswg 2>/dev/null | \
+    perl -pe 's|(href=")([^/][^:]*?")|$1$ENV{GITEA_PREFIX_SRC}/$2|;' \
+        -e 's|(src=")([^/][^:]*?")|$1$ENV{GITEA_PREFIX_RAW}/$2|;' \
+        -e "$cgit_fixups"
+```
+
+Then, to set it up in Gitea, include the following snippet in your _app.ini_:
+
+```
+[markup.asciidoc]
+ENABLED         = true
+FILE_EXTENSIONS = .adoc,.asciidoc
+RENDER_COMMAND  = /usr/local/bin/hswg-gitea
+IS_INPUT_FILE   = false
+```
+
+Similarly for cgit, the following _cgitrc_ snippet might do the job:
+
+```
+about-filter=/usr/local/bin/hswg-gitea
+readme=:README.adoc
+```
+
+If parsing fails for some reason, the contents will be wrapped in HTML verbatim
+as plain text.
+
+Wiki mode
+---------
+The program will read a Go template for the index page from its standard input,
+and another template for rendered pages from the path given as its first
+argument.  The second argument specifies the output filename for the index page,
+and the last one is the document directory.
+
+Consult the source code for a list template variables.
+
+All pages will be initially rerendered on startup, and then the directory will
+be watched for changes in real time using the inotify API.

hswg/asciidoc.go

@@ -1,20 +1,11 @@
-// Program hasp is a preprocessor for libasciidoc to make it understand
-// two-line/underlined titles, intended to be used in Gitea.
 package main
 
 import (
 	"bytes"
-	"context"
-	"encoding/xml"
 	"io"
-	"io/ioutil"
-	"os"
 	"strings"
 	"unicode"
 	"unicode/utf8"
-
-	"github.com/bytesparadise/libasciidoc"
-	"github.com/bytesparadise/libasciidoc/pkg/renderer"
 )
 
 // isTitle returns the title level if the lines seem to form a title,
@@ -61,31 +52,3 @@ func ConvertTitles(w *io.PipeWriter, input []byte) {
 	}
 	writeLine(w, last, nil)
 }
-
-func main() {
-	input, err := ioutil.ReadAll(os.Stdin)
-	if err != nil {
-		panic(err)
-	}
-
-	pr, pw := io.Pipe()
-	go func() {
-		defer pw.Close()
-		ConvertTitles(pw, input)
-	}()
-
-	// io.Copy(os.Stdout, pr)
-	// return
-
-	_, err = libasciidoc.ConvertToHTML(context.Background(), pr, os.Stdout,
-		renderer.IncludeHeaderFooter(true))
-	if err != nil {
-		// Fallback: output all the text sanitized for direct inclusion.
-		os.Stdout.WriteString("<pre>")
-		for _, line := range bytes.Split(input, []byte{'\n'}) {
-			xml.EscapeText(os.Stdout, line)
-			os.Stdout.WriteString("\n")
-		}
-		os.Stdout.WriteString("</pre>")
-	}
-}

hswg/main.go

@@ -0,0 +1,529 @@
+// Program hswg is a static website generator employing libasciidoc with added
+// support for two-line/underlined titles, and postprocessing "wiki" InterLinks.
+package main
+
+import (
+	"bytes"
+	"encoding/binary"
+	"encoding/xml"
+	"fmt"
+	"html/template"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strings"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/bytesparadise/libasciidoc/pkg/configuration"
+	"github.com/bytesparadise/libasciidoc/pkg/parser"
+	"github.com/bytesparadise/libasciidoc/pkg/renderer/sgml/html5"
+	"github.com/bytesparadise/libasciidoc/pkg/types"
+	"github.com/bytesparadise/libasciidoc/pkg/validator"
+)
+
+// Metadata contains select metadata about a rendered document.
+type Metadata struct {
+	types.Metadata
+
+	// Note that this includes entries from the front-matter
+	// (see parser.ApplySubstitutions <- parser.ParseDocument).
+	Attributes types.Attributes
+}
+
+// IsDraft returns whether the document is marked as a draft, and should not
+// be linked anywhere else.
+func (m *Metadata) IsDraft() bool { return m.Attributes.Has("draft") }
+
+// Attr is a shortcut for retrieving document attributes by name.
+func (m *Metadata) Attr(name string) string {
+	return m.Attributes.GetAsStringWithDefault(name, "")
+}
+
+// AttrList is similar to Attr, but splits the result at commas,
+// and trims whitespace around array elements.
+func (m *Metadata) AttrList(name string) []string {
+	if !m.Attributes.Has(name) {
+		return nil
+	}
+
+	res := strings.Split(m.Attr(name), ",")
+	for i := range res {
+		res[i] = strings.TrimSpace(res[i])
+	}
+	return res
+}
+
+// Render converts an io.Reader with an AsciiDoc document to HTML. So long as
+// the file could be read at all, it will always return a non-empty document.
+func Render(r io.Reader, config *configuration.Configuration) (
+	html *bytes.Buffer, meta Metadata, err error) {
+	html = bytes.NewBuffer(nil)
+
+	var input []byte
+	if input, err = ioutil.ReadAll(r); err != nil {
+		return
+	}
+
+	pr, pw := io.Pipe()
+	go func() {
+		defer pw.Close()
+		ConvertTitles(pw, input)
+	}()
+
+	// io.Copy(os.Stdout, pr)
+	// return
+
+	var doc *types.Document
+	if doc, err = parser.ParseDocument(pr, config); err == nil {
+		doctype := config.Attributes.GetAsStringWithDefault(
+			types.AttrDocType, "article")
+		problems, verr := validator.Validate(doc, doctype)
+		if verr != nil {
+			fmt.Fprintln(os.Stderr, verr)
+		}
+		for _, problem := range problems {
+			fmt.Fprintln(os.Stderr, problem.Message)
+		}
+		meta.Metadata, err = html5.Render(doc, config, html)
+	}
+	if err != nil {
+		// Fallback: output all the text sanitized for direct inclusion.
+		html.Reset()
+
+		_, _ = html.WriteString("<pre>")
+		for _, line := range bytes.Split(input, []byte{'\n'}) {
+			_ = xml.EscapeText(html, line)
+			_, _ = html.WriteString("\n")
+		}
+		_, _ = html.WriteString("</pre>")
+	}
+	meta.Attributes = config.Attributes
+	return
+}
+
+// Entry contains all context information about a single page.
+type Entry struct {
+	Metadata                        // metadata
+	PathSource      string          // path to source AsciiDoc
+	PathDestination string          // path to destination HTML
+	mtime           time.Time       // modification time
+	raw             []byte          // raw inner document
+	Content         template.HTML   // inner document with expanded LinkWords
+	backlinks       map[string]bool // what documents link back here
+	Backlinks       []template.HTML
+}
+
+// Published returns the date when the entry was published, or nil if unknown.
+func (e *Entry) Published() *time.Time {
+	if d, ok := e.Attributes.GetAsString("date"); !ok {
+		return nil
+	} else if t, err := time.Parse(time.RFC3339, d); err == nil {
+		return &t
+	} else if t, err := time.Parse("2006-01-02", d); err == nil {
+		return &t
+	} else {
+		log.Printf("%s: date: %s\n", e.PathSource, err)
+		return nil
+	}
+}
+
+var (
+	globs = []string{"*.adoc", "*.asciidoc"}
+	extRE = regexp.MustCompile(`\.[^/.]*$`)
+)
+
+func pathToName(path string) string {
+	return stripExtension(filepath.Base(path))
+}
+
+func stripExtension(path string) string {
+	return extRE.ReplaceAllString(path, "")
+}
+
+func resultPath(path string) string {
+	if m := extRE.FindStringIndex(path); m != nil {
+		return path[:m[0]] + ".html"
+	}
+	return path + ".html"
+}
+
+func makeLink(m *map[string]*Entry, name string) string {
+	e := (*m)[name]
+	return fmt.Sprintf("<a href='%s'>%s</a>",
+		filepath.Clean(e.PathDestination), name)
+}
+
+var linkWordRE = regexp.MustCompile(`\b\p{Lu}\p{L}*\b`)
+
+func expand(m *map[string]*Entry, name string, chunk []byte) []byte {
+	return linkWordRE.ReplaceAllFunc(chunk, func(match []byte) []byte {
+		if link, ok := (*m)[string(match)]; ok && string(match) != name &&
+			!link.IsDraft() {
+			link.backlinks[name] = true
+			return []byte(makeLink(m, string(match)))
+		}
+		return match
+	})
+}
+
+var tagRE = regexp.MustCompile(`<[^<>]+>`)
+
+func renderEntry(name string, e *Entry) error {
+	f, err := os.Open(e.PathSource)
+	if err != nil {
+		return err
+	}
+
+	if i, err := f.Stat(); err != nil {
+		return err
+	} else {
+		e.mtime = i.ModTime()
+	}
+
+	var html *bytes.Buffer
+	if html, e.Metadata, err = Render(f, configuration.NewConfiguration(
+		configuration.WithFilename(e.PathSource),
+		configuration.WithLastUpdated(e.mtime),
+		configuration.WithAttribute("toc", "preamble"),
+		configuration.WithAttribute("toc-title", "<h2>Contents</h2>"),
+		configuration.WithAttribute("source-highlighter", "chroma"),
+	)); err != nil {
+		return err
+	}
+
+	// Every page needs to have a title.
+	if e.Title == "" {
+		e.Title = name
+	}
+
+	e.raw = html.Bytes()
+	return nil
+}
+
+func makeEntry(path string) *Entry {
+	return &Entry{
+		PathSource:      path,
+		PathDestination: resultPath(path),
+	}
+}
+
+// loadEntries creates a map from document names to their page entries.
+func loadEntries(dirname string) (map[string]*Entry, error) {
+	entries := map[string]*Entry{}
+	for _, glob := range globs {
+		matches, err := filepath.Glob(filepath.Join(dirname, glob))
+		if err != nil {
+			return nil, fmt.Errorf("%s: %s", dirname, err)
+		}
+		for _, path := range matches {
+			name := pathToName(path)
+			if conflict, ok := entries[name]; ok {
+				return nil, fmt.Errorf("%s: conflicts with %s",
+					name, conflict.PathSource)
+			}
+			entries[name] = makeEntry(path)
+		}
+	}
+	return entries, nil
+}
+
+func writeEntry(e *Entry, t *template.Template,
+	entries *map[string]*Entry) error {
+	f, err := os.Create(e.PathDestination)
+	if err != nil {
+		return err
+	}
+
+	backlinks := []string{}
+	for name := range e.backlinks {
+		backlinks = append(backlinks, name)
+	}
+	sort.Strings(backlinks)
+	for _, name := range backlinks {
+		e.Backlinks =
+			append(e.Backlinks, template.HTML(makeLink(entries, name)))
+	}
+
+	return t.Execute(f, e)
+}
+
+func writeIndex(path string, t *template.Template,
+	entries *map[string]*Entry) error {
+	// Reorder entries reversely, primarily by date, secondarily by filename.
+	ordered := []*Entry{}
+	for _, e := range *entries {
+		ordered = append(ordered, e)
+	}
+
+	sort.Slice(ordered, func(i, j int) bool {
+		a, b := ordered[i], ordered[j]
+		p1, p2 := a.Published(), b.Published()
+		if p1 == nil && p2 != nil {
+			return true
+		}
+		if p1 == nil && p2 == nil {
+			return a.PathSource > b.PathSource
+		}
+		if p2 == nil {
+			return false
+		}
+		if p1.Equal(*p2) {
+			return a.PathSource > b.PathSource
+		}
+		return p2.Before(*p1)
+	})
+
+	f, err := os.Create(path)
+	if err != nil {
+		return err
+	}
+
+	// TODO(p): Splitting content to categories would be nice. Or tags.
+	return t.Execute(f, ordered)
+}
+
+func finalizeEntries(entries *map[string]*Entry, t *template.Template,
+	indexPath string, indexT *template.Template) {
+	// The initial render of a large amount of entries is resource-intensive.
+	var wg sync.WaitGroup
+	for name, e := range *entries {
+		e.backlinks = map[string]bool{}
+		if e.raw != nil {
+			continue
+		}
+
+		wg.Add(1)
+		go func(name string, e *Entry) {
+			defer wg.Done()
+			if err := renderEntry(name, e); err != nil {
+				log.Printf("%s: %s\n", name, err)
+			}
+		}(name, e)
+	}
+
+	wg.Wait()
+
+	for name, e := range *entries {
+		// Expand LinkWords anywhere between <tags>.
+		// We want something like the inverse of Regexp.ReplaceAllStringFunc.
+		raw, last, expanded := e.raw, 0, bytes.NewBuffer(nil)
+		for _, where := range tagRE.FindAllIndex(raw, -1) {
+			_, _ = expanded.Write(expand(entries, name, raw[last:where[0]]))
+			_, _ = expanded.Write(raw[where[0]:where[1]])
+			last = where[1]
+		}
+		_, _ = expanded.Write(expand(entries, name, raw[last:]))
+		e.Content = template.HTML(expanded.String())
+	}
+	for name, e := range *entries {
+		// Don't overwrite failed renders.
+		if e.raw == nil {
+			continue
+		}
+		if err := writeEntry(e, t, entries); err != nil {
+			log.Printf("%s: %s\n", name, err)
+		}
+	}
+	if err := writeIndex(indexPath, indexT, entries); err != nil {
+		log.Printf("%s: %s\n", indexPath, err)
+	}
+}
+
+type watchEvent struct {
+	path    string // the path of the target
+	present bool   // if not, the file has been removed
+}
+
+func dispatchEvents(dirname string, r io.Reader, ch chan<- *watchEvent) error {
+	var e syscall.InotifyEvent
+	for {
+		// FIXME(p): This has to respect the machine's endianness.
+		// Perhaps use the unsafe package.
+		err := binary.Read(r, binary.LittleEndian, &e)
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+
+		base := make([]byte, e.Len)
+		if e.Len != 0 {
+			if n, err := r.Read(base); err != nil {
+				return err
+			} else if n < int(e.Len) {
+				return fmt.Errorf("short read")
+			}
+		}
+
+		switch {
+		case e.Mask&syscall.IN_IGNORED != 0:
+			return fmt.Errorf("watch removed by kernel")
+		case e.Mask&syscall.IN_Q_OVERFLOW != 0:
+			log.Println("inotify: queue overflowed")
+			ch <- nil
+			continue
+		case e.Len == 0:
+			continue
+		}
+
+		basename, interesting := string(base[:bytes.IndexByte(base, 0)]), false
+		for _, glob := range globs {
+			if matches, _ := filepath.Match(glob, basename); matches {
+				interesting = true
+			}
+		}
+		if !interesting {
+			continue
+		}
+
+		event := &watchEvent{path: filepath.Join(dirname, basename)}
+		if e.Mask&syscall.IN_MODIFY != 0 || e.Mask&syscall.IN_MOVED_TO != 0 ||
+			e.Mask&syscall.IN_CLOSE_WRITE != 0 {
+			event.present = true
+			ch <- event
+		}
+		if e.Mask&syscall.IN_DELETE != 0 || e.Mask&syscall.IN_MOVED_FROM != 0 {
+			event.present = false
+			ch <- event
+		}
+	}
+}
+
+func watchDirectory(dirname string) (<-chan *watchEvent, error) {
+	inotifyFD, err := syscall.InotifyInit1(0)
+	if err != nil {
+		return nil, err
+	}
+
+	// We're ignoring IN_CREATE, as it doesn't seem to be useful,
+	// and we're leaving out IN_MODIFY since VIM always triggers IN_CLOSE_WRITE,
+	// saving us from having to coalesce plentiful similar events.
+	_, err = syscall.InotifyAddWatch(inotifyFD, dirname, syscall.IN_ONLYDIR|
+		syscall.IN_MOVE|syscall.IN_DELETE|syscall.IN_CLOSE_WRITE)
+	if err != nil {
+		return nil, err
+	}
+
+	inotifyFile := os.NewFile(uintptr(inotifyFD), "inotify")
+	buf := make([]byte, syscall.SizeofInotifyEvent+syscall.PathMax+1)
+	ch := make(chan *watchEvent)
+	go func() {
+		// Trigger an initial rendering run.
+		ch <- nil
+
+		defer close(ch)
+		for {
+			n, err := inotifyFile.Read(buf)
+			if err != nil {
+				log.Println(err)
+				return
+			}
+			err = dispatchEvents(dirname, bytes.NewReader(buf[:n]), ch)
+			if err != nil {
+				log.Printf("inotify: %s\n", err)
+				return
+			}
+		}
+	}()
+	return ch, nil
+}
+
+var funcs = template.FuncMap{
+	"contains": func(needle string, haystack []string) bool {
+		for _, el := range haystack {
+			if el == needle {
+				return true
+			}
+		}
+		return false
+	},
+}
+
+func singleFile() {
+	html, meta, err := Render(os.Stdin, configuration.NewConfiguration())
+	if err != nil {
+		log.Println(err)
+	} else if meta.Title != "" {
+		_, _ = os.Stdout.WriteString("<h1>")
+		_ = xml.EscapeText(os.Stdout, []byte(meta.Title))
+		_, _ = os.Stdout.WriteString("</h1>\n")
+	}
+	_, _ = io.Copy(os.Stdout, html)
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		singleFile()
+		return
+	}
+	if len(os.Args) != 4 {
+		log.Fatalf("usage: %s TEMPLATE INDEX DIRECTORY\n", os.Args[0])
+	}
+
+	argTemplate, argIndex, argDirectory := os.Args[1], os.Args[2], os.Args[3]
+
+	// Read a template for entries.
+	header, err := ioutil.ReadFile(argTemplate)
+	if err != nil {
+		log.Fatalln(err)
+	}
+	tmplEntry, err := template.New("entry").Funcs(funcs).Parse(string(header))
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	// Read a template for the index from the standard input.
+	index, err := ioutil.ReadAll(os.Stdin)
+	if err != nil {
+		log.Fatalln(err)
+	}
+	tmplIndex, err := template.New("index").Funcs(funcs).Parse(string(index))
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	// Re-render as needed, avoid having to trigger anything manually.
+	var entries map[string]*Entry
+	directoryWatch, err := watchDirectory(argDirectory)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	signals := make(chan os.Signal, 1)
+	signal.Notify(signals, syscall.SIGINT, syscall.SIGHUP, syscall.SIGTERM)
+	for {
+		select {
+		case <-signals:
+			os.Exit(0)
+		case event, ok := <-directoryWatch:
+			if !ok {
+				os.Exit(1)
+			}
+
+			if event == nil {
+				log.Println("reloading all files")
+				if entries, err = loadEntries(argDirectory); err != nil {
+					log.Println(err)
+				}
+			} else if event.present {
+				log.Printf("updating %s\n", event.path)
+				entries[pathToName(event.path)] = makeEntry(event.path)
+			} else {
+				log.Printf("removing %s\n", event.path)
+				delete(entries, pathToName(event.path))
+				os.Remove(resultPath(event.path))
+			}
+
+			finalizeEntries(&entries, tmplEntry, argIndex, tmplIndex)
+			log.Println("done")
+		}
+	}
+}

ht/gen-keysyms.sh

@@ -0,0 +1,49 @@
+#!/bin/sh
+gofmt <<EOF | sed 's, *//$,,'
+// Code generated by running "go generate" in janouch.name/haven. DO NOT EDIT.
+
+package $GOPACKAGE
+
+import "janouch.name/haven/nexgb/xproto"
+
+$(curl --silent --show-error \
+	https://cgit.freedesktop.org/xorg/proto/x11proto/plain/keysymdef.h \
+	https://cgit.freedesktop.org/xorg/proto/x11proto/plain/XF86keysym.h \
+| perl -lne '
+	next unless /^\#define\s+
+		(XF86)?(XK_)([a-zA-Z_0-9]+)\s+
+		0x([0-9a-fA-F]+)\s*
+		(?:\/\*\s*(.*?)\s*\*\/)?\s*
+	$/x;
+
+	my ($name, $ident, $hex, $comment) =
+		(($1 // "") . $3,  ($1 // "") . $2 . $3, lc $4, ($5 // ""));
+
+	# They are already somewhat sorted in the source file.
+	push @a, { hex => $hex, ident => $ident, comment => $comment };
+
+	$nametokeysym{$name} = $ident;
+
+	# All but the first name listed should be considered deprecated.
+	$keysymtoname{$ident} = $name unless exists $seen{$hex};
+	$seen{$hex}++;
+
+	END {
+		print "const (";
+		print "$_->{ident} = 0x$_->{hex} // $_->{comment}" for @a;
+		print ")";
+
+		# Very large tables, should be an on-demand package :(
+
+		print "// KeysymToName maps X11 keysym constants to their names";
+		print "var KeysymToName = map[xproto.Keysym]string{";
+		print "$_: \"$keysymtoname{$_}\"," for sort keys %keysymtoname;
+		print "}";
+
+		print "// NameToKeysym maps X11 keysym names to their constants";
+		print "var NameToKeysym = map[string]xproto.Keysym{";
+		print "\"$_\": $nametokeysym{$_}," for sort keys %nametokeysym;
+		print "}";
+	}
+')
+EOF

ht/gen-rune-width.sh

@@ -0,0 +1,84 @@
+#!/bin/sh
+u=https://www.unicode.org/Public/
+
+# Download and filter Unicode data files with the given category expression,
+# producing a list of possibly duplicitous codepoints in decimal format
+retrieve() {
+	curl --silent --show-error --location "$2" | perl -lne 's/#.*//; s/ //g;
+		next unless /^([0-9A-F]+)(?:\.\.([0-9A-F]+))?;('"$1"')$/;
+		print for hex $1 .. hex ($2 // $1);'
+}
+
+togo() {
+	sort -nu | perl -lne '
+		sub flush { printf "{0x%04x, 0x%04x},\n", $first, $last }
+		BEGIN { $first = $last = <> }
+		if ($_ != $last + 1) { flush; $first = $_; }
+		$last = $_;
+		END { flush if defined $first }' | column -xc 72
+}
+
+gofmt <<EOF
+// Code generated by running "go generate" in janouch.name/haven. DO NOT EDIT.
+
+package $GOPACKAGE
+
+// RuneWidth returns the column width of Go runes, using an algorithm and tables
+// derived from https://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c:
+//  - The null character (U+0000) has a column width of 0.
+//  - Other C0/C1 control characters and DEL will lead to a return value of -1.
+//  - Non-spacing and enclosing combining characters (general category code
+//    Mn or Me in the Unicode database) have a column width of 0.
+//  - SOFT HYPHEN (U+00AD) has a column width of 1.
+//  - Other format characters (general category code Cf in the Unicode database)
+//    and ZERO WIDTH SPACE (U+200B) have a column width of 0.
+//  - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) have
+//    a column width of 0.
+//  - Spacing characters in the East Asian Wide (W) or East Asian Full-width (F)
+//    category as defined in Unicode UAX #11 have a column width of 2.
+//  - All remaining characters (including all printable ISO 8859-1 and WGL4
+//    characters, Unicode control characters, etc.) have a column width of 1.
+//
+// Local changes:
+//  - Tables are generated from the latest available version of Unicode.
+func RuneWidth(r rune) int {
+	switch {
+	case r == 0:
+		return 0
+	case r < 32 || r >= 0x7f && r < 0xa0:
+		return -1
+	case zeroWidthRunes.contains(r):
+		return 0
+	case fullWidthRunes.contains(r):
+		return 2
+	}
+	return 1
+}
+
+type runeRange struct{ first, last rune }
+type runeRangeTable []runeRange
+
+func (table runeRangeTable) contains(r rune) bool {
+	min, max := 0, len(table)-1
+	for max >= min {
+		mid := (min + max) / 2
+		if table[mid].last < r {
+			min = mid + 1
+		} else if table[mid].first > r {
+			max = mid - 1
+		} else {
+			return true
+		}
+	}
+	return false
+}
+
+var zeroWidthRunes = runeRangeTable{
+$({ retrieve 'Me|Mn|Cf' $u/UCD/latest/ucd/extracted/DerivedGeneralCategory.txt;
+    seq 0x1160 0x11ff; echo $((0x200B)); } | grep -xv $((0x00AD)) | togo)
+}
+
+var fullWidthRunes = runeRangeTable{
+$(retrieve 'W|F' $u/UCD/latest/ucd/EastAsianWidth.txt | togo)
+}
+EOF

ht/gen-unicode-map.sh

@@ -0,0 +1,49 @@
+#!/bin/sh
+gofmt <<EOF
+// Code generated by running "go generate" in janouch.name/haven. DO NOT EDIT.
+
+package $GOPACKAGE
+
+import "janouch.name/haven/nexgb/xproto"
+
+// KeysymToRune tries to translate an X11 keysym to an appropriate rune.
+// Returns -1 when no match is found.
+func KeysymToRune(ks xproto.Keysym) rune {
+	// Visible Latin-1 is mapped 1:1
+	if (ks >= 0x20 && ks <= 0x7e) || (ks >= 0xa0 && ks <= 0xff) {
+		return rune(ks)
+	}
+	// Directly encoded 24-bit Unicode (going even above plane 16)
+	if (ks & 0xff000000) == 0x01000000 {
+		return rune(ks & 0x00ffffff)
+	}
+
+	min, max := 0, len(keysymToRuneTable)-1
+	for max >= min {
+		mid := (min + max) / 2
+		if keysymToRuneTable[mid].keysym < ks {
+			min = mid + 1
+		} else if keysymToRuneTable[mid].keysym > ks {
+			max = mid - 1
+		} else {
+			return keysymToRuneTable[mid].unicode
+		}
+	}
+	return -1
+}
+
+var keysymToRuneTable = []struct{
+	keysym xproto.Keysym
+	unicode rune
+}{
+$(curl --silent --show-error --location \
+	https://invisible-island.net/datafiles/release/xterm.tar.gz | \
+tar --wildcards -xzOf - 'xterm-*/unicode/keysym.map' | \
+sort | perl -lne '
+	next unless /^(0x([0-9a-f]{4}))\s+U([0-9a-f]{4})\s*(?:\#\s*(.*))?$/;
+	my ($keysym, $ks, $unicode, $comment) = ($1, hex($2), $3, ($4 // ""));
+	print "{$keysym, 0x$unicode}, // $comment"
+		if $ks >= 0x100 && $unicode ne "0000";
+')
+}
+EOF

ht/rune_width.go

@@ -0,0 +1,204 @@
+// Code generated by running "go generate" in janouch.name/haven. DO NOT EDIT.
+
+package main
+
+// RuneWidth returns the column width of Go runes, using an algorithm and tables
+// derived from https://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c:
+//  - The null character (U+0000) has a column width of 0.
+//  - Other C0/C1 control characters and DEL will lead to a return value of -1.
+//  - Non-spacing and enclosing combining characters (general category code
+//    Mn or Me in the Unicode database) have a column width of 0.
+//  - SOFT HYPHEN (U+00AD) has a column width of 1.
+//  - Other format characters (general category code Cf in the Unicode database)
+//    and ZERO WIDTH SPACE (U+200B) have a column width of 0.
+//  - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) have
+//    a column width of 0.
+//  - Spacing characters in the East Asian Wide (W) or East Asian Full-width (F)
+//    category as defined in Unicode UAX #11 have a column width of 2.
+//  - All remaining characters (including all printable ISO 8859-1 and WGL4
+//    characters, Unicode control characters, etc.) have a column width of 1.
+//
+// Local changes:
+//  - Tables are generated from the latest available version of Unicode.
+func RuneWidth(r rune) int {
+	switch {
+	case r == 0:
+		return 0
+	case r < 32 || r >= 0x7f && r < 0xa0:
+		return -1
+	case zeroWidthRunes.contains(r):
+		return 0
+	case fullWidthRunes.contains(r):
+		return 2
+	}
+	return 1
+}
+
+type runeRange struct{ first, last rune }
+type runeRangeTable []runeRange
+
+func (table runeRangeTable) contains(r rune) bool {
+	min, max := 0, len(table)-1
+	for max >= min {
+		mid := (min + max) / 2
+		if table[mid].last < r {
+			min = mid + 1
+		} else if table[mid].first > r {
+			max = mid - 1
+		} else {
+			return true
+		}
+	}
+	return false
+}
+
+var zeroWidthRunes = runeRangeTable{
+	{0x0300, 0x036f}, {0x0483, 0x0489}, {0x0591, 0x05bd},
+	{0x05bf, 0x05bf}, {0x05c1, 0x05c2}, {0x05c4, 0x05c5},
+	{0x05c7, 0x05c7}, {0x0600, 0x0605}, {0x0610, 0x061a},
+	{0x061c, 0x061c}, {0x064b, 0x065f}, {0x0670, 0x0670},
+	{0x06d6, 0x06dd}, {0x06df, 0x06e4}, {0x06e7, 0x06e8},
+	{0x06ea, 0x06ed}, {0x070f, 0x070f}, {0x0711, 0x0711},
+	{0x0730, 0x074a}, {0x07a6, 0x07b0}, {0x07eb, 0x07f3},
+	{0x07fd, 0x07fd}, {0x0816, 0x0819}, {0x081b, 0x0823},
+	{0x0825, 0x0827}, {0x0829, 0x082d}, {0x0859, 0x085b},
+	{0x08d3, 0x0902}, {0x093a, 0x093a}, {0x093c, 0x093c},
+	{0x0941, 0x0948}, {0x094d, 0x094d}, {0x0951, 0x0957},
+	{0x0962, 0x0963}, {0x0981, 0x0981}, {0x09bc, 0x09bc},
+	{0x09c1, 0x09c4}, {0x09cd, 0x09cd}, {0x09e2, 0x09e3},
+	{0x09fe, 0x09fe}, {0x0a01, 0x0a02}, {0x0a3c, 0x0a3c},
+	{0x0a41, 0x0a42}, {0x0a47, 0x0a48}, {0x0a4b, 0x0a4d},
+	{0x0a51, 0x0a51}, {0x0a70, 0x0a71}, {0x0a75, 0x0a75},
+	{0x0a81, 0x0a82}, {0x0abc, 0x0abc}, {0x0ac1, 0x0ac5},
+	{0x0ac7, 0x0ac8}, {0x0acd, 0x0acd}, {0x0ae2, 0x0ae3},
+	{0x0afa, 0x0aff}, {0x0b01, 0x0b01}, {0x0b3c, 0x0b3c},
+	{0x0b3f, 0x0b3f}, {0x0b41, 0x0b44}, {0x0b4d, 0x0b4d},
+	{0x0b56, 0x0b56}, {0x0b62, 0x0b63}, {0x0b82, 0x0b82},
+	{0x0bc0, 0x0bc0}, {0x0bcd, 0x0bcd}, {0x0c00, 0x0c00},
+	{0x0c04, 0x0c04}, {0x0c3e, 0x0c40}, {0x0c46, 0x0c48},
+	{0x0c4a, 0x0c4d}, {0x0c55, 0x0c56}, {0x0c62, 0x0c63},
+	{0x0c81, 0x0c81}, {0x0cbc, 0x0cbc}, {0x0cbf, 0x0cbf},
+	{0x0cc6, 0x0cc6}, {0x0ccc, 0x0ccd}, {0x0ce2, 0x0ce3},
+	{0x0d00, 0x0d01}, {0x0d3b, 0x0d3c}, {0x0d41, 0x0d44},
+	{0x0d4d, 0x0d4d}, {0x0d62, 0x0d63}, {0x0dca, 0x0dca},
+	{0x0dd2, 0x0dd4}, {0x0dd6, 0x0dd6}, {0x0e31, 0x0e31},
+	{0x0e34, 0x0e3a}, {0x0e47, 0x0e4e}, {0x0eb1, 0x0eb1},
+	{0x0eb4, 0x0eb9}, {0x0ebb, 0x0ebc}, {0x0ec8, 0x0ecd},
+	{0x0f18, 0x0f19}, {0x0f35, 0x0f35}, {0x0f37, 0x0f37},
+	{0x0f39, 0x0f39}, {0x0f71, 0x0f7e}, {0x0f80, 0x0f84},
+	{0x0f86, 0x0f87}, {0x0f8d, 0x0f97}, {0x0f99, 0x0fbc},
+	{0x0fc6, 0x0fc6}, {0x102d, 0x1030}, {0x1032, 0x1037},
+	{0x1039, 0x103a}, {0x103d, 0x103e}, {0x1058, 0x1059},
+	{0x105e, 0x1060}, {0x1071, 0x1074}, {0x1082, 0x1082},
+	{0x1085, 0x1086}, {0x108d, 0x108d}, {0x109d, 0x109d},
+	{0x1160, 0x11ff}, {0x135d, 0x135f}, {0x1712, 0x1714},
+	{0x1732, 0x1734}, {0x1752, 0x1753}, {0x1772, 0x1773},
+	{0x17b4, 0x17b5}, {0x17b7, 0x17bd}, {0x17c6, 0x17c6},
+	{0x17c9, 0x17d3}, {0x17dd, 0x17dd}, {0x180b, 0x180e},
+	{0x1885, 0x1886}, {0x18a9, 0x18a9}, {0x1920, 0x1922},
+	{0x1927, 0x1928}, {0x1932, 0x1932}, {0x1939, 0x193b},
+	{0x1a17, 0x1a18}, {0x1a1b, 0x1a1b}, {0x1a56, 0x1a56},
+	{0x1a58, 0x1a5e}, {0x1a60, 0x1a60}, {0x1a62, 0x1a62},
+	{0x1a65, 0x1a6c}, {0x1a73, 0x1a7c}, {0x1a7f, 0x1a7f},
+	{0x1ab0, 0x1abe}, {0x1b00, 0x1b03}, {0x1b34, 0x1b34},
+	{0x1b36, 0x1b3a}, {0x1b3c, 0x1b3c}, {0x1b42, 0x1b42},
+	{0x1b6b, 0x1b73}, {0x1b80, 0x1b81}, {0x1ba2, 0x1ba5},
+	{0x1ba8, 0x1ba9}, {0x1bab, 0x1bad}, {0x1be6, 0x1be6},
+	{0x1be8, 0x1be9}, {0x1bed, 0x1bed}, {0x1bef, 0x1bf1},
+	{0x1c2c, 0x1c33}, {0x1c36, 0x1c37}, {0x1cd0, 0x1cd2},
+	{0x1cd4, 0x1ce0}, {0x1ce2, 0x1ce8}, {0x1ced, 0x1ced},
+	{0x1cf4, 0x1cf4}, {0x1cf8, 0x1cf9}, {0x1dc0, 0x1df9},
+	{0x1dfb, 0x1dff}, {0x200b, 0x200f}, {0x202a, 0x202e},
+	{0x2060, 0x2064}, {0x2066, 0x206f}, {0x20d0, 0x20f0},
+	{0x2cef, 0x2cf1}, {0x2d7f, 0x2d7f}, {0x2de0, 0x2dff},
+	{0x302a, 0x302d}, {0x3099, 0x309a}, {0xa66f, 0xa672},
+	{0xa674, 0xa67d}, {0xa69e, 0xa69f}, {0xa6f0, 0xa6f1},
+	{0xa802, 0xa802}, {0xa806, 0xa806}, {0xa80b, 0xa80b},
+	{0xa825, 0xa826}, {0xa8c4, 0xa8c5}, {0xa8e0, 0xa8f1},
+	{0xa8ff, 0xa8ff}, {0xa926, 0xa92d}, {0xa947, 0xa951},
+	{0xa980, 0xa982}, {0xa9b3, 0xa9b3}, {0xa9b6, 0xa9b9},
+	{0xa9bc, 0xa9bc}, {0xa9e5, 0xa9e5}, {0xaa29, 0xaa2e},
+	{0xaa31, 0xaa32}, {0xaa35, 0xaa36}, {0xaa43, 0xaa43},
+	{0xaa4c, 0xaa4c}, {0xaa7c, 0xaa7c}, {0xaab0, 0xaab0},
+	{0xaab2, 0xaab4}, {0xaab7, 0xaab8}, {0xaabe, 0xaabf},
+	{0xaac1, 0xaac1}, {0xaaec, 0xaaed}, {0xaaf6, 0xaaf6},
+	{0xabe5, 0xabe5}, {0xabe8, 0xabe8}, {0xabed, 0xabed},
+	{0xfb1e, 0xfb1e}, {0xfe00, 0xfe0f}, {0xfe20, 0xfe2f},
+	{0xfeff, 0xfeff}, {0xfff9, 0xfffb}, {0x101fd, 0x101fd},
+	{0x102e0, 0x102e0}, {0x10376, 0x1037a}, {0x10a01, 0x10a03},
+	{0x10a05, 0x10a06}, {0x10a0c, 0x10a0f}, {0x10a38, 0x10a3a},
+	{0x10a3f, 0x10a3f}, {0x10ae5, 0x10ae6}, {0x10d24, 0x10d27},
+	{0x10f46, 0x10f50}, {0x11001, 0x11001}, {0x11038, 0x11046},
+	{0x1107f, 0x11081}, {0x110b3, 0x110b6}, {0x110b9, 0x110ba},
+	{0x110bd, 0x110bd}, {0x110cd, 0x110cd}, {0x11100, 0x11102},
+	{0x11127, 0x1112b}, {0x1112d, 0x11134}, {0x11173, 0x11173},
+	{0x11180, 0x11181}, {0x111b6, 0x111be}, {0x111c9, 0x111cc},
+	{0x1122f, 0x11231}, {0x11234, 0x11234}, {0x11236, 0x11237},
+	{0x1123e, 0x1123e}, {0x112df, 0x112df}, {0x112e3, 0x112ea},
+	{0x11300, 0x11301}, {0x1133b, 0x1133c}, {0x11340, 0x11340},
+	{0x11366, 0x1136c}, {0x11370, 0x11374}, {0x11438, 0x1143f},
+	{0x11442, 0x11444}, {0x11446, 0x11446}, {0x1145e, 0x1145e},
+	{0x114b3, 0x114b8}, {0x114ba, 0x114ba}, {0x114bf, 0x114c0},
+	{0x114c2, 0x114c3}, {0x115b2, 0x115b5}, {0x115bc, 0x115bd},
+	{0x115bf, 0x115c0}, {0x115dc, 0x115dd}, {0x11633, 0x1163a},
+	{0x1163d, 0x1163d}, {0x1163f, 0x11640}, {0x116ab, 0x116ab},
+	{0x116ad, 0x116ad}, {0x116b0, 0x116b5}, {0x116b7, 0x116b7},
+	{0x1171d, 0x1171f}, {0x11722, 0x11725}, {0x11727, 0x1172b},
+	{0x1182f, 0x11837}, {0x11839, 0x1183a}, {0x11a01, 0x11a0a},
+	{0x11a33, 0x11a38}, {0x11a3b, 0x11a3e}, {0x11a47, 0x11a47},
+	{0x11a51, 0x11a56}, {0x11a59, 0x11a5b}, {0x11a8a, 0x11a96},
+	{0x11a98, 0x11a99}, {0x11c30, 0x11c36}, {0x11c38, 0x11c3d},
+	{0x11c3f, 0x11c3f}, {0x11c92, 0x11ca7}, {0x11caa, 0x11cb0},
+	{0x11cb2, 0x11cb3}, {0x11cb5, 0x11cb6}, {0x11d31, 0x11d36},
+	{0x11d3a, 0x11d3a}, {0x11d3c, 0x11d3d}, {0x11d3f, 0x11d45},
+	{0x11d47, 0x11d47}, {0x11d90, 0x11d91}, {0x11d95, 0x11d95},
+	{0x11d97, 0x11d97}, {0x11ef3, 0x11ef4}, {0x16af0, 0x16af4},
+	{0x16b30, 0x16b36}, {0x16f8f, 0x16f92}, {0x1bc9d, 0x1bc9e},
+	{0x1bca0, 0x1bca3}, {0x1d167, 0x1d169}, {0x1d173, 0x1d182},
+	{0x1d185, 0x1d18b}, {0x1d1aa, 0x1d1ad}, {0x1d242, 0x1d244},
+	{0x1da00, 0x1da36}, {0x1da3b, 0x1da6c}, {0x1da75, 0x1da75},
+	{0x1da84, 0x1da84}, {0x1da9b, 0x1da9f}, {0x1daa1, 0x1daaf},
+	{0x1e000, 0x1e006}, {0x1e008, 0x1e018}, {0x1e01b, 0x1e021},
+	{0x1e023, 0x1e024}, {0x1e026, 0x1e02a}, {0x1e8d0, 0x1e8d6},
+	{0x1e944, 0x1e94a}, {0xe0001, 0xe0001}, {0xe0020, 0xe007f},
+	{0xe0100, 0xe01ef},
+}
+
+var fullWidthRunes = runeRangeTable{
+	{0x1100, 0x115f}, {0x231a, 0x231b}, {0x2329, 0x232a},
+	{0x23e9, 0x23ec}, {0x23f0, 0x23f0}, {0x23f3, 0x23f3},
+	{0x25fd, 0x25fe}, {0x2614, 0x2615}, {0x2648, 0x2653},
+	{0x267f, 0x267f}, {0x2693, 0x2693}, {0x26a1, 0x26a1},
+	{0x26aa, 0x26ab}, {0x26bd, 0x26be}, {0x26c4, 0x26c5},
+	{0x26ce, 0x26ce}, {0x26d4, 0x26d4}, {0x26ea, 0x26ea},
+	{0x26f2, 0x26f3}, {0x26f5, 0x26f5}, {0x26fa, 0x26fa},
+	{0x26fd, 0x26fd}, {0x2705, 0x2705}, {0x270a, 0x270b},
+	{0x2728, 0x2728}, {0x274c, 0x274c}, {0x274e, 0x274e},
+	{0x2753, 0x2755}, {0x2757, 0x2757}, {0x2795, 0x2797},
+	{0x27b0, 0x27b0}, {0x27bf, 0x27bf}, {0x2b1b, 0x2b1c},
+	{0x2b50, 0x2b50}, {0x2b55, 0x2b55}, {0x2e80, 0x2e99},
+	{0x2e9b, 0x2ef3}, {0x2f00, 0x2fd5}, {0x2ff0, 0x2ffb},
+	{0x3000, 0x303e}, {0x3041, 0x3096}, {0x3099, 0x30ff},
+	{0x3105, 0x312f}, {0x3131, 0x318e}, {0x3190, 0x31ba},
+	{0x31c0, 0x31e3}, {0x31f0, 0x321e}, {0x3220, 0x3247},
+	{0x3250, 0x32fe}, {0x3300, 0x4dbf}, {0x4e00, 0xa48c},
+	{0xa490, 0xa4c6}, {0xa960, 0xa97c}, {0xac00, 0xd7a3},
+	{0xf900, 0xfaff}, {0xfe10, 0xfe19}, {0xfe30, 0xfe52},
+	{0xfe54, 0xfe66}, {0xfe68, 0xfe6b}, {0xff01, 0xff60},
+	{0xffe0, 0xffe6}, {0x16fe0, 0x16fe1}, {0x17000, 0x187f1},
+	{0x18800, 0x18af2}, {0x1b000, 0x1b11e}, {0x1b170, 0x1b2fb},
+	{0x1f004, 0x1f004}, {0x1f0cf, 0x1f0cf}, {0x1f18e, 0x1f18e},
+	{0x1f191, 0x1f19a}, {0x1f200, 0x1f202}, {0x1f210, 0x1f23b},
+	{0x1f240, 0x1f248}, {0x1f250, 0x1f251}, {0x1f260, 0x1f265},
+	{0x1f300, 0x1f320}, {0x1f32d, 0x1f335}, {0x1f337, 0x1f37c},
+	{0x1f37e, 0x1f393}, {0x1f3a0, 0x1f3ca}, {0x1f3cf, 0x1f3d3},
+	{0x1f3e0, 0x1f3f0}, {0x1f3f4, 0x1f3f4}, {0x1f3f8, 0x1f43e},
+	{0x1f440, 0x1f440}, {0x1f442, 0x1f4fc}, {0x1f4ff, 0x1f53d},
+	{0x1f54b, 0x1f54e}, {0x1f550, 0x1f567}, {0x1f57a, 0x1f57a},
+	{0x1f595, 0x1f596}, {0x1f5a4, 0x1f5a4}, {0x1f5fb, 0x1f64f},
+	{0x1f680, 0x1f6c5}, {0x1f6cc, 0x1f6cc}, {0x1f6d0, 0x1f6d2},
+	{0x1f6eb, 0x1f6ec}, {0x1f6f4, 0x1f6f9}, {0x1f910, 0x1f93e},
+	{0x1f940, 0x1f970}, {0x1f973, 0x1f976}, {0x1f97a, 0x1f97a},
+	{0x1f97c, 0x1f9a2}, {0x1f9b0, 0x1f9b9}, {0x1f9c0, 0x1f9c2},
+	{0x1f9d0, 0x1f9ff}, {0x20000, 0x2fffd}, {0x30000, 0x3fffd},
+}

ht/unicode_map.go

@@ -0,0 +1,859 @@
+// Code generated by running "go generate" in janouch.name/haven. DO NOT EDIT.
+
+package main
+
+import "janouch.name/haven/nexgb/xproto"
+
+// KeysymToRune tries to translate an X11 keysym to an appropriate rune.
+// Returns -1 when no match is found.
+func KeysymToRune(ks xproto.Keysym) rune {
+	// Visible Latin-1 is mapped 1:1
+	if (ks >= 0x20 && ks <= 0x7e) || (ks >= 0xa0 && ks <= 0xff) {
+		return rune(ks)
+	}
+	// Directly encoded 24-bit Unicode (going even above plane 16)
+	if (ks & 0xff000000) == 0x01000000 {
+		return rune(ks & 0x00ffffff)
+	}
+
+	min, max := 0, len(keysymToRuneTable)-1
+	for max >= min {
+		mid := (min + max) / 2
+		if keysymToRuneTable[mid].keysym < ks {
+			min = mid + 1
+		} else if keysymToRuneTable[mid].keysym > ks {
+			max = mid - 1
+		} else {
+			return keysymToRuneTable[mid].unicode
+		}
+	}
+	return -1
+}
+
+var keysymToRuneTable = []struct {
+	keysym  xproto.Keysym
+	unicode rune
+}{
+	{0x01a1, 0x0104}, // Aogonek
+	{0x01a2, 0x02d8}, // breve
+	{0x01a3, 0x0141}, // Lstroke
+	{0x01a5, 0x013d}, // Lcaron
+	{0x01a6, 0x015a}, // Sacute
+	{0x01a9, 0x0160}, // Scaron
+	{0x01aa, 0x015e}, // Scedilla
+	{0x01ab, 0x0164}, // Tcaron
+	{0x01ac, 0x0179}, // Zacute
+	{0x01ae, 0x017d}, // Zcaron
+	{0x01af, 0x017b}, // Zabovedot
+	{0x01b1, 0x0105}, // aogonek
+	{0x01b2, 0x02db}, // ogonek
+	{0x01b3, 0x0142}, // lstroke
+	{0x01b5, 0x013e}, // lcaron
+	{0x01b6, 0x015b}, // sacute
+	{0x01b7, 0x02c7}, // caron
+	{0x01b9, 0x0161}, // scaron
+	{0x01ba, 0x015f}, // scedilla
+	{0x01bb, 0x0165}, // tcaron
+	{0x01bc, 0x017a}, // zacute
+	{0x01bd, 0x02dd}, // doubleacute
+	{0x01be, 0x017e}, // zcaron
+	{0x01bf, 0x017c}, // zabovedot
+	{0x01c0, 0x0154}, // Racute
+	{0x01c3, 0x0102}, // Abreve
+	{0x01c5, 0x0139}, // Lacute
+	{0x01c6, 0x0106}, // Cacute
+	{0x01c8, 0x010c}, // Ccaron
+	{0x01ca, 0x0118}, // Eogonek
+	{0x01cc, 0x011a}, // Ecaron
+	{0x01cf, 0x010e}, // Dcaron
+	{0x01d0, 0x0110}, // Dstroke
+	{0x01d1, 0x0143}, // Nacute
+	{0x01d2, 0x0147}, // Ncaron
+	{0x01d5, 0x0150}, // Odoubleacute
+	{0x01d8, 0x0158}, // Rcaron
+	{0x01d9, 0x016e}, // Uring
+	{0x01db, 0x0170}, // Udoubleacute
+	{0x01de, 0x0162}, // Tcedilla
+	{0x01e0, 0x0155}, // racute
+	{0x01e3, 0x0103}, // abreve
+	{0x01e5, 0x013a}, // lacute
+	{0x01e6, 0x0107}, // cacute
+	{0x01e8, 0x010d}, // ccaron
+	{0x01ea, 0x0119}, // eogonek
+	{0x01ec, 0x011b}, // ecaron
+	{0x01ef, 0x010f}, // dcaron
+	{0x01f0, 0x0111}, // dstroke
+	{0x01f1, 0x0144}, // nacute
+	{0x01f2, 0x0148}, // ncaron
+	{0x01f5, 0x0151}, // odoubleacute
+	{0x01f8, 0x0159}, // rcaron
+	{0x01f9, 0x016f}, // uring
+	{0x01fb, 0x0171}, // udoubleacute
+	{0x01fe, 0x0163}, // tcedilla
+	{0x01ff, 0x02d9}, // abovedot
+	{0x02a1, 0x0126}, // Hstroke
+	{0x02a6, 0x0124}, // Hcircumflex
+	{0x02a9, 0x0130}, // Iabovedot
+	{0x02ab, 0x011e}, // Gbreve
+	{0x02ac, 0x0134}, // Jcircumflex
+	{0x02b1, 0x0127}, // hstroke
+	{0x02b6, 0x0125}, // hcircumflex
+	{0x02b9, 0x0131}, // idotless
+	{0x02bb, 0x011f}, // gbreve
+	{0x02bc, 0x0135}, // jcircumflex
+	{0x02c5, 0x010a}, // Cabovedot
+	{0x02c6, 0x0108}, // Ccircumflex
+	{0x02d5, 0x0120}, // Gabovedot
+	{0x02d8, 0x011c}, // Gcircumflex
+	{0x02dd, 0x016c}, // Ubreve
+	{0x02de, 0x015c}, // Scircumflex
+	{0x02e5, 0x010b}, // cabovedot
+	{0x02e6, 0x0109}, // ccircumflex
+	{0x02f5, 0x0121}, // gabovedot
+	{0x02f8, 0x011d}, // gcircumflex
+	{0x02fd, 0x016d}, // ubreve
+	{0x02fe, 0x015d}, // scircumflex
+	{0x03a2, 0x0138}, // kra
+	{0x03a3, 0x0156}, // Rcedilla
+	{0x03a5, 0x0128}, // Itilde
+	{0x03a6, 0x013b}, // Lcedilla
+	{0x03aa, 0x0112}, // Emacron
+	{0x03ab, 0x0122}, // Gcedilla
+	{0x03ac, 0x0166}, // Tslash
+	{0x03b3, 0x0157}, // rcedilla
+	{0x03b5, 0x0129}, // itilde
+	{0x03b6, 0x013c}, // lcedilla
+	{0x03ba, 0x0113}, // emacron
+	{0x03bb, 0x0123}, // gcedilla
+	{0x03bc, 0x0167}, // tslash
+	{0x03bd, 0x014a}, // ENG
+	{0x03bf, 0x014b}, // eng
+	{0x03c0, 0x0100}, // Amacron
+	{0x03c7, 0x012e}, // Iogonek
+	{0x03cc, 0x0116}, // Eabovedot
+	{0x03cf, 0x012a}, // Imacron
+	{0x03d1, 0x0145}, // Ncedilla
+	{0x03d2, 0x014c}, // Omacron
+	{0x03d3, 0x0136}, // Kcedilla
+	{0x03d9, 0x0172}, // Uogonek
+	{0x03dd, 0x0168}, // Utilde
+	{0x03de, 0x016a}, // Umacron
+	{0x03e0, 0x0101}, // amacron
+	{0x03e7, 0x012f}, // iogonek
+	{0x03ec, 0x0117}, // eabovedot
+	{0x03ef, 0x012b}, // imacron
+	{0x03f1, 0x0146}, // ncedilla
+	{0x03f2, 0x014d}, // omacron
+	{0x03f3, 0x0137}, // kcedilla
+	{0x03f9, 0x0173}, // uogonek
+	{0x03fd, 0x0169}, // utilde
+	{0x03fe, 0x016b}, // umacron
+	{0x047e, 0x203e}, // overline
+	{0x04a1, 0x3002}, // kana_fullstop
+	{0x04a2, 0x300c}, // kana_openingbracket
+	{0x04a3, 0x300d}, // kana_closingbracket
+	{0x04a4, 0x3001}, // kana_comma
+	{0x04a5, 0x30fb}, // kana_conjunctive
+	{0x04a6, 0x30f2}, // kana_WO
+	{0x04a7, 0x30a1}, // kana_a
+	{0x04a8, 0x30a3}, // kana_i
+	{0x04a9, 0x30a5}, // kana_u
+	{0x04aa, 0x30a7}, // kana_e
+	{0x04ab, 0x30a9}, // kana_o
+	{0x04ac, 0x30e3}, // kana_ya
+	{0x04ad, 0x30e5}, // kana_yu
+	{0x04ae, 0x30e7}, // kana_yo
+	{0x04af, 0x30c3}, // kana_tsu
+	{0x04b0, 0x30fc}, // prolongedsound
+	{0x04b1, 0x30a2}, // kana_A
+	{0x04b2, 0x30a4}, // kana_I
+	{0x04b3, 0x30a6}, // kana_U
+	{0x04b4, 0x30a8}, // kana_E
+	{0x04b5, 0x30aa}, // kana_O
+	{0x04b6, 0x30ab}, // kana_KA
+	{0x04b7, 0x30ad}, // kana_KI
+	{0x04b8, 0x30af}, // kana_KU
+	{0x04b9, 0x30b1}, // kana_KE
+	{0x04ba, 0x30b3}, // kana_KO
+	{0x04bb, 0x30b5}, // kana_SA
+	{0x04bc, 0x30b7}, // kana_SHI
+	{0x04bd, 0x30b9}, // kana_SU
+	{0x04be, 0x30bb}, // kana_SE
+	{0x04bf, 0x30bd}, // kana_SO
+	{0x04c0, 0x30bf}, // kana_TA
+	{0x04c1, 0x30c1}, // kana_CHI
+	{0x04c2, 0x30c4}, // kana_TSU
+	{0x04c3, 0x30c6}, // kana_TE
+	{0x04c4, 0x30c8}, // kana_TO
+	{0x04c5, 0x30ca}, // kana_NA
+	{0x04c6, 0x30cb}, // kana_NI
+	{0x04c7, 0x30cc}, // kana_NU
+	{0x04c8, 0x30cd}, // kana_NE
+	{0x04c9, 0x30ce}, // kana_NO
+	{0x04ca, 0x30cf}, // kana_HA
+	{0x04cb, 0x30d2}, // kana_HI
+	{0x04cc, 0x30d5}, // kana_FU
+	{0x04cd, 0x30d8}, // kana_HE
+	{0x04ce, 0x30db}, // kana_HO
+	{0x04cf, 0x30de}, // kana_MA
+	{0x04d0, 0x30df}, // kana_MI
+	{0x04d1, 0x30e0}, // kana_MU
+	{0x04d2, 0x30e1}, // kana_ME
+	{0x04d3, 0x30e2}, // kana_MO
+	{0x04d4, 0x30e4}, // kana_YA
+	{0x04d5, 0x30e6}, // kana_YU
+	{0x04d6, 0x30e8}, // kana_YO
+	{0x04d7, 0x30e9}, // kana_RA
+	{0x04d8, 0x30ea}, // kana_RI
+	{0x04d9, 0x30eb}, // kana_RU
+	{0x04da, 0x30ec}, // kana_RE
+	{0x04db, 0x30ed}, // kana_RO
+	{0x04dc, 0x30ef}, // kana_WA
+	{0x04dd, 0x30f3}, // kana_N
+	{0x04de, 0x309b}, // voicedsound
+	{0x04df, 0x309c}, // semivoicedsound
+	{0x05ac, 0x060c}, // Arabic_comma
+	{0x05bb, 0x061b}, // Arabic_semicolon
+	{0x05bf, 0x061f}, // Arabic_question_mark
+	{0x05c1, 0x0621}, // Arabic_hamza
+	{0x05c2, 0x0622}, // Arabic_maddaonalef
+	{0x05c3, 0x0623}, // Arabic_hamzaonalef
+	{0x05c4, 0x0624}, // Arabic_hamzaonwaw
+	{0x05c5, 0x0625}, // Arabic_hamzaunderalef
+	{0x05c6, 0x0626}, // Arabic_hamzaonyeh
+	{0x05c7, 0x0627}, // Arabic_alef
+	{0x05c8, 0x0628}, // Arabic_beh
+	{0x05c9, 0x0629}, // Arabic_tehmarbuta
+	{0x05ca, 0x062a}, // Arabic_teh
+	{0x05cb, 0x062b}, // Arabic_theh
+	{0x05cc, 0x062c}, // Arabic_jeem
+	{0x05cd, 0x062d}, // Arabic_hah
+	{0x05ce, 0x062e}, // Arabic_khah
+	{0x05cf, 0x062f}, // Arabic_dal
+	{0x05d0, 0x0630}, // Arabic_thal
+	{0x05d1, 0x0631}, // Arabic_ra
+	{0x05d2, 0x0632}, // Arabic_zain
+	{0x05d3, 0x0633}, // Arabic_seen
+	{0x05d4, 0x0634}, // Arabic_sheen
+	{0x05d5, 0x0635}, // Arabic_sad
+	{0x05d6, 0x0636}, // Arabic_dad
+	{0x05d7, 0x0637}, // Arabic_tah
+	{0x05d8, 0x0638}, // Arabic_zah
+	{0x05d9, 0x0639}, // Arabic_ain
+	{0x05da, 0x063a}, // Arabic_ghain
+	{0x05e0, 0x0640}, // Arabic_tatweel
+	{0x05e1, 0x0641}, // Arabic_feh
+	{0x05e2, 0x0642}, // Arabic_qaf
+	{0x05e3, 0x0643}, // Arabic_kaf
+	{0x05e4, 0x0644}, // Arabic_lam
+	{0x05e5, 0x0645}, // Arabic_meem
+	{0x05e6, 0x0646}, // Arabic_noon
+	{0x05e7, 0x0647}, // Arabic_ha
+	{0x05e8, 0x0648}, // Arabic_waw
+	{0x05e9, 0x0649}, // Arabic_alefmaksura
+	{0x05ea, 0x064a}, // Arabic_yeh
+	{0x05eb, 0x064b}, // Arabic_fathatan
+	{0x05ec, 0x064c}, // Arabic_dammatan
+	{0x05ed, 0x064d}, // Arabic_kasratan
+	{0x05ee, 0x064e}, // Arabic_fatha
+	{0x05ef, 0x064f}, // Arabic_damma
+	{0x05f0, 0x0650}, // Arabic_kasra
+	{0x05f1, 0x0651}, // Arabic_shadda
+	{0x05f2, 0x0652}, // Arabic_sukun
+	{0x06a1, 0x0452}, // Serbian_dje
+	{0x06a2, 0x0453}, // Macedonia_gje
+	{0x06a3, 0x0451}, // Cyrillic_io
+	{0x06a4, 0x0454}, // Ukrainian_ie
+	{0x06a5, 0x0455}, // Macedonia_dse
+	{0x06a6, 0x0456}, // Ukrainian_i
+	{0x06a7, 0x0457}, // Ukrainian_yi
+	{0x06a8, 0x0458}, // Cyrillic_je
+	{0x06a9, 0x0459}, // Cyrillic_lje
+	{0x06aa, 0x045a}, // Cyrillic_nje
+	{0x06ab, 0x045b}, // Serbian_tshe
+	{0x06ac, 0x045c}, // Macedonia_kje
+	{0x06ad, 0x0491}, // Ukrainian_ghe_with_upturn
+	{0x06ae, 0x045e}, // Byelorussian_shortu
+	{0x06af, 0x045f}, // Cyrillic_dzhe
+	{0x06b0, 0x2116}, // numerosign
+	{0x06b1, 0x0402}, // Serbian_DJE
+	{0x06b2, 0x0403}, // Macedonia_GJE
+	{0x06b3, 0x0401}, // Cyrillic_IO
+	{0x06b4, 0x0404}, // Ukrainian_IE
+	{0x06b5, 0x0405}, // Macedonia_DSE
+	{0x06b6, 0x0406}, // Ukrainian_I
+	{0x06b7, 0x0407}, // Ukrainian_YI
+	{0x06b8, 0x0408}, // Cyrillic_JE
+	{0x06b9, 0x0409}, // Cyrillic_LJE
+	{0x06ba, 0x040a}, // Cyrillic_NJE
+	{0x06bb, 0x040b}, // Serbian_TSHE
+	{0x06bc, 0x040c}, // Macedonia_KJE
+	{0x06bd, 0x0490}, // Ukrainian_GHE_WITH_UPTURN
+	{0x06be, 0x040e}, // Byelorussian_SHORTU
+	{0x06bf, 0x040f}, // Cyrillic_DZHE
+	{0x06c0, 0x044e}, // Cyrillic_yu
+	{0x06c1, 0x0430}, // Cyrillic_a
+	{0x06c2, 0x0431}, // Cyrillic_be
+	{0x06c3, 0x0446}, // Cyrillic_tse
+	{0x06c4, 0x0434}, // Cyrillic_de
+	{0x06c5, 0x0435}, // Cyrillic_ie
+	{0x06c6, 0x0444}, // Cyrillic_ef
+	{0x06c7, 0x0433}, // Cyrillic_ghe
+	{0x06c8, 0x0445}, // Cyrillic_ha
+	{0x06c9, 0x0438}, // Cyrillic_i
+	{0x06ca, 0x0439}, // Cyrillic_shorti
+	{0x06cb, 0x043a}, // Cyrillic_ka
+	{0x06cc, 0x043b}, // Cyrillic_el
+	{0x06cd, 0x043c}, // Cyrillic_em
+	{0x06ce, 0x043d}, // Cyrillic_en
+	{0x06cf, 0x043e}, // Cyrillic_o
+	{0x06d0, 0x043f}, // Cyrillic_pe
+	{0x06d1, 0x044f}, // Cyrillic_ya
+	{0x06d2, 0x0440}, // Cyrillic_er
+	{0x06d3, 0x0441}, // Cyrillic_es
+	{0x06d4, 0x0442}, // Cyrillic_te
+	{0x06d5, 0x0443}, // Cyrillic_u
+	{0x06d6, 0x0436}, // Cyrillic_zhe
+	{0x06d7, 0x0432}, // Cyrillic_ve
+	{0x06d8, 0x044c}, // Cyrillic_softsign
+	{0x06d9, 0x044b}, // Cyrillic_yeru
+	{0x06da, 0x0437}, // Cyrillic_ze
+	{0x06db, 0x0448}, // Cyrillic_sha
+	{0x06dc, 0x044d}, // Cyrillic_e
+	{0x06dd, 0x0449}, // Cyrillic_shcha
+	{0x06de, 0x0447}, // Cyrillic_che
+	{0x06df, 0x044a}, // Cyrillic_hardsign
+	{0x06e0, 0x042e}, // Cyrillic_YU
+	{0x06e1, 0x0410}, // Cyrillic_A
+	{0x06e2, 0x0411}, // Cyrillic_BE
+	{0x06e3, 0x0426}, // Cyrillic_TSE
+	{0x06e4, 0x0414}, // Cyrillic_DE
+	{0x06e5, 0x0415}, // Cyrillic_IE
+	{0x06e6, 0x0424}, // Cyrillic_EF
+	{0x06e7, 0x0413}, // Cyrillic_GHE
+	{0x06e8, 0x0425}, // Cyrillic_HA
+	{0x06e9, 0x0418}, // Cyrillic_I
+	{0x06ea, 0x0419}, // Cyrillic_SHORTI
+	{0x06eb, 0x041a}, // Cyrillic_KA
+	{0x06ec, 0x041b}, // Cyrillic_EL
+	{0x06ed, 0x041c}, // Cyrillic_EM
+	{0x06ee, 0x041d}, // Cyrillic_EN
+	{0x06ef, 0x041e}, // Cyrillic_O
+	{0x06f0, 0x041f}, // Cyrillic_PE
+	{0x06f1, 0x042f}, // Cyrillic_YA
+	{0x06f2, 0x0420}, // Cyrillic_ER
+	{0x06f3, 0x0421}, // Cyrillic_ES
+	{0x06f4, 0x0422}, // Cyrillic_TE
+	{0x06f5, 0x0423}, // Cyrillic_U
+	{0x06f6, 0x0416}, // Cyrillic_ZHE
+	{0x06f7, 0x0412}, // Cyrillic_VE
+	{0x06f8, 0x042c}, // Cyrillic_SOFTSIGN
+	{0x06f9, 0x042b}, // Cyrillic_YERU
+	{0x06fa, 0x0417}, // Cyrillic_ZE
+	{0x06fb, 0x0428}, // Cyrillic_SHA
+	{0x06fc, 0x042d}, // Cyrillic_E
+	{0x06fd, 0x0429}, // Cyrillic_SHCHA
+	{0x06fe, 0x0427}, // Cyrillic_CHE
+	{0x06ff, 0x042a}, // Cyrillic_HARDSIGN
+	{0x07a1, 0x0386}, // Greek_ALPHAaccent
+	{0x07a2, 0x0388}, // Greek_EPSILONaccent
+	{0x07a3, 0x0389}, // Greek_ETAaccent
+	{0x07a4, 0x038a}, // Greek_IOTAaccent
+	{0x07a5, 0x03aa}, // Greek_IOTAdieresis
+	{0x07a7, 0x038c}, // Greek_OMICRONaccent
+	{0x07a8, 0x038e}, // Greek_UPSILONaccent
+	{0x07a9, 0x03ab}, // Greek_UPSILONdieresis
+	{0x07ab, 0x038f}, // Greek_OMEGAaccent
+	{0x07ae, 0x0385}, // Greek_accentdieresis
+	{0x07af, 0x2015}, // Greek_horizbar
+	{0x07b1, 0x03ac}, // Greek_alphaaccent
+	{0x07b2, 0x03ad}, // Greek_epsilonaccent
+	{0x07b3, 0x03ae}, // Greek_etaaccent
+	{0x07b4, 0x03af}, // Greek_iotaaccent
+	{0x07b5, 0x03ca}, // Greek_IOTAdieresis
+	{0x07b6, 0x0390}, // Greek_iotaaccentdieresis
+	{0x07b7, 0x03cc}, // Greek_omicronaccent
+	{0x07b8, 0x03cd}, // Greek_upsilonaccent
+	{0x07b9, 0x03cb}, // Greek_upsilondieresis
+	{0x07ba, 0x03b0}, // Greek_upsilonaccentdieresis
+	{0x07bb, 0x03ce}, // Greek_omegaaccent
+	{0x07c1, 0x0391}, // Greek_ALPHA
+	{0x07c2, 0x0392}, // Greek_BETA
+	{0x07c3, 0x0393}, // Greek_GAMMA
+	{0x07c4, 0x0394}, // Greek_DELTA
+	{0x07c5, 0x0395}, // Greek_EPSILON
+	{0x07c6, 0x0396}, // Greek_ZETA
+	{0x07c7, 0x0397}, // Greek_ETA
+	{0x07c8, 0x0398}, // Greek_THETA
+	{0x07c9, 0x0399}, // Greek_IOTA
+	{0x07ca, 0x039a}, // Greek_KAPPA
+	{0x07cb, 0x039b}, // Greek_LAMBDA
+	{0x07cb, 0x039b}, // Greek_LAMDA
+	{0x07cc, 0x039c}, // Greek_MU
+	{0x07cd, 0x039d}, // Greek_NU
+	{0x07ce, 0x039e}, // Greek_XI
+	{0x07cf, 0x039f}, // Greek_OMICRON
+	{0x07d0, 0x03a0}, // Greek_PI
+	{0x07d1, 0x03a1}, // Greek_RHO
+	{0x07d2, 0x03a3}, // Greek_SIGMA
+	{0x07d4, 0x03a4}, // Greek_TAU
+	{0x07d5, 0x03a5}, // Greek_UPSILON
+	{0x07d6, 0x03a6}, // Greek_PHI
+	{0x07d7, 0x03a7}, // Greek_CHI
+	{0x07d8, 0x03a8}, // Greek_PSI
+	{0x07d9, 0x03a9}, // Greek_OMEGA
+	{0x07e1, 0x03b1}, // Greek_alpha
+	{0x07e2, 0x03b2}, // Greek_beta
+	{0x07e3, 0x03b3}, // Greek_gamma
+	{0x07e4, 0x03b4}, // Greek_delta
+	{0x07e5, 0x03b5}, // Greek_epsilon
+	{0x07e6, 0x03b6}, // Greek_zeta
+	{0x07e7, 0x03b7}, // Greek_eta
+	{0x07e8, 0x03b8}, // Greek_theta
+	{0x07e9, 0x03b9}, // Greek_iota
+	{0x07ea, 0x03ba}, // Greek_kappa
+	{0x07eb, 0x03bb}, // Greek_lambda
+	{0x07ec, 0x03bc}, // Greek_mu
+	{0x07ed, 0x03bd}, // Greek_nu
+	{0x07ee, 0x03be}, // Greek_xi
+	{0x07ef, 0x03bf}, // Greek_omicron
+	{0x07f0, 0x03c0}, // Greek_pi
+	{0x07f1, 0x03c1}, // Greek_rho
+	{0x07f2, 0x03c3}, // Greek_sigma
+	{0x07f3, 0x03c2}, // Greek_finalsmallsigma
+	{0x07f4, 0x03c4}, // Greek_tau
+	{0x07f5, 0x03c5}, // Greek_upsilon
+	{0x07f6, 0x03c6}, // Greek_phi
+	{0x07f7, 0x03c7}, // Greek_chi
+	{0x07f8, 0x03c8}, // Greek_psi
+	{0x07f9, 0x03c9}, // Greek_omega
+	{0x08a1, 0x23b7}, // leftradical
+	{0x08a2, 0x250c}, // topleftradical
+	{0x08a3, 0x2500}, // horizconnector
+	{0x08a4, 0x2320}, // topintegral
+	{0x08a5, 0x2321}, // botintegral
+	{0x08a6, 0x2502}, // vertconnector
+	{0x08a7, 0x23a1}, // topleftsqbracket
+	{0x08a8, 0x23a3}, // botleftsqbracket
+	{0x08a9, 0x23a4}, // toprightsqbracket
+	{0x08aa, 0x23a6}, // botrightsqbracket
+	{0x08ab, 0x239b}, // topleftparens
+	{0x08ac, 0x239d}, // botleftparens
+	{0x08ad, 0x239e}, // toprightparens
+	{0x08ae, 0x23a0}, // botrightparens
+	{0x08af, 0x23a8}, // leftmiddlecurlybrace
+	{0x08b0, 0x23ac}, // rightmiddlecurlybrace
+	{0x08bc, 0x2264}, // lessthanequal
+	{0x08bd, 0x2260}, // notequal
+	{0x08be, 0x2265}, // greaterthanequal
+	{0x08bf, 0x222b}, // integral
+	{0x08c0, 0x2234}, // therefore
+	{0x08c1, 0x221d}, // variation
+	{0x08c2, 0x221e}, // infinity
+	{0x08c5, 0x2207}, // nabla
+	{0x08c8, 0x223c}, // approximate
+	{0x08c9, 0x2243}, // similarequal
+	{0x08cd, 0x21d4}, // ifonlyif
+	{0x08ce, 0x21d2}, // implies
+	{0x08cf, 0x2261}, // identical
+	{0x08d6, 0x221a}, // radical
+	{0x08da, 0x2282}, // includedin
+	{0x08db, 0x2283}, // includes
+	{0x08dc, 0x2229}, // intersection
+	{0x08dd, 0x222a}, // union
+	{0x08de, 0x2227}, // logicaland
+	{0x08df, 0x2228}, // logicalor
+	{0x08ef, 0x2202}, // partialderivative
+	{0x08f6, 0x0192}, // function
+	{0x08fb, 0x2190}, // leftarrow
+	{0x08fc, 0x2191}, // uparrow
+	{0x08fd, 0x2192}, // rightarrow
+	{0x08fe, 0x2193}, // downarrow
+	{0x09df, 0x2422}, // blank
+	{0x09e0, 0x25c6}, // soliddiamond
+	{0x09e1, 0x2592}, // checkerboard
+	{0x09e2, 0x2409}, // ht
+	{0x09e3, 0x240c}, // ff
+	{0x09e4, 0x240d}, // cr
+	{0x09e5, 0x240a}, // lf
+	{0x09e8, 0x2424}, // nl
+	{0x09e9, 0x240b}, // vt
+	{0x09ea, 0x2518}, // lowrightcorner
+	{0x09eb, 0x2510}, // uprightcorner
+	{0x09ec, 0x250c}, // upleftcorner
+	{0x09ed, 0x2514}, // lowleftcorner
+	{0x09ee, 0x253c}, // crossinglines
+	{0x09ef, 0x23ba}, // horizlinescan1
+	{0x09f0, 0x23bb}, // horizlinescan3
+	{0x09f1, 0x2500}, // horizlinescan5
+	{0x09f2, 0x23bc}, // horizlinescan7
+	{0x09f3, 0x23bd}, // horizlinescan9
+	{0x09f4, 0x251c}, // leftt
+	{0x09f5, 0x2524}, // rightt
+	{0x09f6, 0x2534}, // bott
+	{0x09f7, 0x252c}, // topt
+	{0x09f8, 0x2502}, // vertbar
+	{0x0aa1, 0x2003}, // emspace
+	{0x0aa2, 0x2002}, // enspace
+	{0x0aa3, 0x2004}, // em3space
+	{0x0aa4, 0x2005}, // em4space
+	{0x0aa5, 0x2007}, // digitspace
+	{0x0aa6, 0x2008}, // punctspace
+	{0x0aa7, 0x2009}, // thinspace
+	{0x0aa8, 0x200a}, // hairspace
+	{0x0aa9, 0x2014}, // emdash
+	{0x0aaa, 0x2013}, // endash
+	{0x0aac, 0x2423}, // signifblank
+	{0x0aae, 0x2026}, // ellipsis
+	{0x0aaf, 0x2025}, // doubbaselinedot
+	{0x0ab0, 0x2153}, // onethird
+	{0x0ab1, 0x2154}, // twothirds
+	{0x0ab2, 0x2155}, // onefifth
+	{0x0ab3, 0x2156}, // twofifths
+	{0x0ab4, 0x2157}, // threefifths
+	{0x0ab5, 0x2158}, // fourfifths
+	{0x0ab6, 0x2159}, // onesixth
+	{0x0ab7, 0x215a}, // fivesixths
+	{0x0ab8, 0x2105}, // careof
+	{0x0abb, 0x2012}, // figdash
+	{0x0abc, 0x2329}, // leftanglebracket (not U+27E8)
+	{0x0abd, 0x002e}, // decimalpoint
+	{0x0abe, 0x232a}, // rightanglebracket (not U+27E9)
+	{0x0ac3, 0x215b}, // oneeighth
+	{0x0ac4, 0x215c}, // threeeighths
+	{0x0ac5, 0x215d}, // fiveeighths
+	{0x0ac6, 0x215e}, // seveneighths
+	{0x0ac9, 0x2122}, // trademark
+	{0x0aca, 0x2613}, // signaturemark
+	{0x0acc, 0x25c1}, // leftopentriangle
+	{0x0acd, 0x25b7}, // rightopentriangle
+	{0x0ace, 0x25cb}, // emopencircle
+	{0x0acf, 0x25af}, // emopenrectangle
+	{0x0ad0, 0x2018}, // leftsinglequotemark
+	{0x0ad1, 0x2019}, // rightsinglequotemark
+	{0x0ad2, 0x201c}, // leftdoublequotemark
+	{0x0ad3, 0x201d}, // rightdoublequotemark
+	{0x0ad4, 0x211e}, // prescription
+	{0x0ad5, 0x2030}, // per mille
+	{0x0ad6, 0x2032}, // minutes
+	{0x0ad7, 0x2033}, // seconds
+	{0x0ad9, 0x271d}, // latincross
+	{0x0adb, 0x25ac}, // filledrectbullet
+	{0x0adc, 0x25c0}, // filledlefttribullet
+	{0x0add, 0x25b6}, // filledrighttribullet
+	{0x0ade, 0x25cf}, // emfilledcircle
+	{0x0adf, 0x25ae}, // emfilledrect
+	{0x0ae0, 0x25e6}, // enopencircbullet
+	{0x0ae1, 0x25ab}, // enopensquarebullet
+	{0x0ae2, 0x25ad}, // openrectbullet
+	{0x0ae3, 0x25b3}, // opentribulletup
+	{0x0ae4, 0x25bd}, // opentribulletdown
+	{0x0ae5, 0x2606}, // openstar
+	{0x0ae6, 0x2022}, // enfilledcircbullet
+	{0x0ae7, 0x25aa}, // enfilledsqbullet
+	{0x0ae8, 0x25b2}, // filledtribulletup
+	{0x0ae9, 0x25bc}, // filledtribulletdown
+	{0x0aea, 0x261c}, // leftpointer
+	{0x0aeb, 0x261e}, // rightpointer
+	{0x0aec, 0x2663}, // club
+	{0x0aed, 0x2666}, // diamond
+	{0x0aee, 0x2665}, // heart
+	{0x0af0, 0x2720}, // maltesecross
+	{0x0af1, 0x2020}, // dagger
+	{0x0af2, 0x2021}, // doubledagger
+	{0x0af3, 0x2713}, // checkmark
+	{0x0af4, 0x2717}, // ballotcross
+	{0x0af5, 0x266f}, // musicalsharp
+	{0x0af6, 0x266d}, // musicalflat
+	{0x0af7, 0x2642}, // malesymbol
+	{0x0af8, 0x2640}, // femalesymbol
+	{0x0af9, 0x260e}, // telephone
+	{0x0afa, 0x2315}, // telephonerecorder
+	{0x0afb, 0x2117}, // phonographcopyright
+	{0x0afc, 0x2038}, // caret
+	{0x0afd, 0x201a}, // singlelowquotemark
+	{0x0afe, 0x201e}, // doublelowquotemark
+	{0x0ba3, 0x003c}, // leftcaret
+	{0x0ba6, 0x003e}, // rightcaret
+	{0x0ba8, 0x2228}, // downcaret
+	{0x0ba9, 0x2227}, // upcaret
+	{0x0bc0, 0x00af}, // overbar
+	{0x0bc2, 0x22a4}, // downtack
+	{0x0bc3, 0x2229}, // upshoe
+	{0x0bc4, 0x230a}, // downstile
+	{0x0bc6, 0x005f}, // underbar
+	{0x0bca, 0x2218}, // jot
+	{0x0bcc, 0x2395}, // quad
+	{0x0bce, 0x22a5}, // uptack
+	{0x0bcf, 0x25cb}, // circle
+	{0x0bd3, 0x2308}, // upstile
+	{0x0bd6, 0x222a}, // downshoe
+	{0x0bd8, 0x2283}, // rightshoe
+	{0x0bda, 0x2282}, // leftshoe
+	{0x0bdc, 0x22a3}, // lefttack
+	{0x0bfc, 0x22a2}, // righttack
+	{0x0cdf, 0x2017}, // hebrew_doublelowline
+	{0x0ce0, 0x05d0}, // hebrew_aleph
+	{0x0ce1, 0x05d1}, // hebrew_bet
+	{0x0ce2, 0x05d2}, // hebrew_gimel
+	{0x0ce3, 0x05d3}, // hebrew_dalet
+	{0x0ce4, 0x05d4}, // hebrew_he
+	{0x0ce5, 0x05d5}, // hebrew_waw
+	{0x0ce6, 0x05d6}, // hebrew_zain
+	{0x0ce7, 0x05d7}, // hebrew_chet
+	{0x0ce8, 0x05d8}, // hebrew_tet
+	{0x0ce9, 0x05d9}, // hebrew_yod
+	{0x0cea, 0x05da}, // hebrew_finalkaph
+	{0x0ceb, 0x05db}, // hebrew_kaph
+	{0x0cec, 0x05dc}, // hebrew_lamed
+	{0x0ced, 0x05dd}, // hebrew_finalmem
+	{0x0cee, 0x05de}, // hebrew_mem
+	{0x0cef, 0x05df}, // hebrew_finalnun
+	{0x0cf0, 0x05e0}, // hebrew_nun
+	{0x0cf1, 0x05e1}, // hebrew_samech
+	{0x0cf2, 0x05e2}, // hebrew_ayin
+	{0x0cf3, 0x05e3}, // hebrew_finalpe
+	{0x0cf4, 0x05e4}, // hebrew_pe
+	{0x0cf5, 0x05e5}, // hebrew_finalzade
+	{0x0cf6, 0x05e6}, // hebrew_zade
+	{0x0cf7, 0x05e7}, // hebrew_qoph
+	{0x0cf8, 0x05e8}, // hebrew_resh
+	{0x0cf9, 0x05e9}, // hebrew_shin
+	{0x0cfa, 0x05ea}, // hebrew_taw
+	{0x0da1, 0x0e01}, // Thai_kokai
+	{0x0da2, 0x0e02}, // Thai_khokhai
+	{0x0da3, 0x0e03}, // Thai_khokhuat
+	{0x0da4, 0x0e04}, // Thai_khokhwai
+	{0x0da5, 0x0e05}, // Thai_khokhon
+	{0x0da6, 0x0e06}, // Thai_khorakhang
+	{0x0da7, 0x0e07}, // Thai_ngongu
+	{0x0da8, 0x0e08}, // Thai_chochan
+	{0x0da9, 0x0e09}, // Thai_choching
+	{0x0daa, 0x0e0a}, // Thai_chochang
+	{0x0dab, 0x0e0b}, // Thai_soso
+	{0x0dac, 0x0e0c}, // Thai_chochoe
+	{0x0dad, 0x0e0d}, // Thai_yoying
+	{0x0dae, 0x0e0e}, // Thai_dochada
+	{0x0daf, 0x0e0f}, // Thai_topatak
+	{0x0db0, 0x0e10}, // Thai_thothan
+	{0x0db1, 0x0e11}, // Thai_thonangmontho
+	{0x0db2, 0x0e12}, // Thai_thophuthao
+	{0x0db3, 0x0e13}, // Thai_nonen
+	{0x0db4, 0x0e14}, // Thai_dodek
+	{0x0db5, 0x0e15}, // Thai_totao
+	{0x0db6, 0x0e16}, // Thai_thothung
+	{0x0db7, 0x0e17}, // Thai_thothahan
+	{0x0db8, 0x0e18}, // Thai_thothong
+	{0x0db9, 0x0e19}, // Thai_nonu
+	{0x0dba, 0x0e1a}, // Thai_bobaimai
+	{0x0dbb, 0x0e1b}, // Thai_popla
+	{0x0dbc, 0x0e1c}, // Thai_phophung
+	{0x0dbd, 0x0e1d}, // Thai_fofa
+	{0x0dbe, 0x0e1e}, // Thai_phophan
+	{0x0dbf, 0x0e1f}, // Thai_fofan
+	{0x0dc0, 0x0e20}, // Thai_phosamphao
+	{0x0dc1, 0x0e21}, // Thai_moma
+	{0x0dc2, 0x0e22}, // Thai_yoyak
+	{0x0dc3, 0x0e23}, // Thai_rorua
+	{0x0dc4, 0x0e24}, // Thai_ru
+	{0x0dc5, 0x0e25}, // Thai_loling
+	{0x0dc6, 0x0e26}, // Thai_lu
+	{0x0dc7, 0x0e27}, // Thai_wowaen
+	{0x0dc8, 0x0e28}, // Thai_sosala
+	{0x0dc9, 0x0e29}, // Thai_sorusi
+	{0x0dca, 0x0e2a}, // Thai_sosua
+	{0x0dcb, 0x0e2b}, // Thai_hohip
+	{0x0dcc, 0x0e2c}, // Thai_lochula
+	{0x0dcd, 0x0e2d}, // Thai_oang
+	{0x0dce, 0x0e2e}, // Thai_honokhuk
+	{0x0dcf, 0x0e2f}, // Thai_paiyannoi
+	{0x0dd0, 0x0e30}, // Thai_saraa
+	{0x0dd1, 0x0e31}, // Thai_maihanakat
+	{0x0dd2, 0x0e32}, // Thai_saraaa
+	{0x0dd3, 0x0e33}, // Thai_saraam
+	{0x0dd4, 0x0e34}, // Thai_sarai
+	{0x0dd5, 0x0e35}, // Thai_saraii
+	{0x0dd6, 0x0e36}, // Thai_saraue
+	{0x0dd7, 0x0e37}, // Thai_sarauee
+	{0x0dd8, 0x0e38}, // Thai_sarau
+	{0x0dd9, 0x0e39}, // Thai_sarauu
+	{0x0dda, 0x0e3a}, // Thai_phinthu
+	{0x0ddf, 0x0e3f}, // Thai_baht
+	{0x0de0, 0x0e40}, // Thai_sarae
+	{0x0de1, 0x0e41}, // Thai_saraae
+	{0x0de2, 0x0e42}, // Thai_sarao
+	{0x0de3, 0x0e43}, // Thai_saraaimaimuan
+	{0x0de4, 0x0e44}, // Thai_saraaimaimalai
+	{0x0de5, 0x0e45}, // Thai_lakkhangyao
+	{0x0de6, 0x0e46}, // Thai_maiyamok
+	{0x0de7, 0x0e47}, // Thai_maitaikhu
+	{0x0de8, 0x0e48}, // Thai_maiek
+	{0x0de9, 0x0e49}, // Thai_maitho
+	{0x0dea, 0x0e4a}, // Thai_maitri
+	{0x0deb, 0x0e4b}, // Thai_maichattawa
+	{0x0dec, 0x0e4c}, // Thai_thanthakhat
+	{0x0ded, 0x0e4d}, // Thai_nikhahit
+	{0x0df0, 0x0e50}, // Thai_leksun
+	{0x0df1, 0x0e51}, // Thai_leknung
+	{0x0df2, 0x0e52}, // Thai_leksong
+	{0x0df3, 0x0e53}, // Thai_leksam
+	{0x0df4, 0x0e54}, // Thai_leksi
+	{0x0df5, 0x0e55}, // Thai_lekha
+	{0x0df6, 0x0e56}, // Thai_lekhok
+	{0x0df7, 0x0e57}, // Thai_lekchet
+	{0x0df8, 0x0e58}, // Thai_lekpaet
+	{0x0df9, 0x0e59}, // Thai_lekkao
+	{0x0ea1, 0x3131}, // Hangul_Kiyeog
+	{0x0ea2, 0x3132}, // Hangul_SsangKiyeog
+	{0x0ea3, 0x3133}, // Hangul_KiyeogSios
+	{0x0ea4, 0x3134}, // Hangul_Nieun
+	{0x0ea5, 0x3135}, // Hangul_NieunJieuj
+	{0x0ea6, 0x3136}, // Hangul_NieunHieuh
+	{0x0ea7, 0x3137}, // Hangul_Dikeud
+	{0x0ea8, 0x3138}, // Hangul_SsangDikeud
+	{0x0ea9, 0x3139}, // Hangul_Rieul
+	{0x0eaa, 0x313a}, // Hangul_RieulKiyeog
+	{0x0eab, 0x313b}, // Hangul_RieulMieum
+	{0x0eac, 0x313c}, // Hangul_RieulPieub
+	{0x0ead, 0x313d}, // Hangul_RieulSios
+	{0x0eae, 0x313e}, // Hangul_RieulTieut
+	{0x0eaf, 0x313f}, // Hangul_RieulPhieuf
+	{0x0eb0, 0x3140}, // Hangul_RieulHieuh
+	{0x0eb1, 0x3141}, // Hangul_Mieum
+	{0x0eb2, 0x3142}, // Hangul_Pieub
+	{0x0eb3, 0x3143}, // Hangul_SsangPieub
+	{0x0eb4, 0x3144}, // Hangul_PieubSios
+	{0x0eb5, 0x3145}, // Hangul_Sios
+	{0x0eb6, 0x3146}, // Hangul_SsangSios
+	{0x0eb7, 0x3147}, // Hangul_Ieung
+	{0x0eb8, 0x3148}, // Hangul_Jieuj
+	{0x0eb9, 0x3149}, // Hangul_SsangJieuj
+	{0x0eba, 0x314a}, // Hangul_Cieuc
+	{0x0ebb, 0x314b}, // Hangul_Khieuq
+	{0x0ebc, 0x314c}, // Hangul_Tieut
+	{0x0ebd, 0x314d}, // Hangul_Phieuf
+	{0x0ebe, 0x314e}, // Hangul_Hieuh
+	{0x0ebf, 0x314f}, // Hangul_A
+	{0x0ec0, 0x3150}, // Hangul_AE
+	{0x0ec1, 0x3151}, // Hangul_YA
+	{0x0ec2, 0x3152}, // Hangul_YAE
+	{0x0ec3, 0x3153}, // Hangul_EO
+	{0x0ec4, 0x3154}, // Hangul_E
+	{0x0ec5, 0x3155}, // Hangul_YEO
+	{0x0ec6, 0x3156}, // Hangul_YE
+	{0x0ec7, 0x3157}, // Hangul_O
+	{0x0ec8, 0x3158}, // Hangul_WA
+	{0x0ec9, 0x3159}, // Hangul_WAE
+	{0x0eca, 0x315a}, // Hangul_OE
+	{0x0ecb, 0x315b}, // Hangul_YO
+	{0x0ecc, 0x315c}, // Hangul_U
+	{0x0ecd, 0x315d}, // Hangul_WEO
+	{0x0ece, 0x315e}, // Hangul_WE
+	{0x0ecf, 0x315f}, // Hangul_WI
+	{0x0ed0, 0x3160}, // Hangul_YU
+	{0x0ed1, 0x3161}, // Hangul_EU
+	{0x0ed2, 0x3162}, // Hangul_YI
+	{0x0ed3, 0x3163}, // Hangul_I
+	{0x0ed4, 0x11a8}, // Hangul_J_Kiyeog
+	{0x0ed5, 0x11a9}, // Hangul_J_SsangKiyeog
+	{0x0ed6, 0x11aa}, // Hangul_J_KiyeogSios
+	{0x0ed7, 0x11ab}, // Hangul_J_Nieun
+	{0x0ed8, 0x11ac}, // Hangul_J_NieunJieuj
+	{0x0ed9, 0x11ad}, // Hangul_J_NieunHieuh
+	{0x0eda, 0x11ae}, // Hangul_J_Dikeud
+	{0x0edb, 0x11af}, // Hangul_J_Rieul
+	{0x0edc, 0x11b0}, // Hangul_J_RieulKiyeog
+	{0x0edd, 0x11b1}, // Hangul_J_RieulMieum
+	{0x0ede, 0x11b2}, // Hangul_J_RieulPieub
+	{0x0edf, 0x11b3}, // Hangul_J_RieulSios
+	{0x0ee0, 0x11b4}, // Hangul_J_RieulTieut
+	{0x0ee1, 0x11b5}, // Hangul_J_RieulPhieuf
+	{0x0ee2, 0x11b6}, // Hangul_J_RieulHieuh
+	{0x0ee3, 0x11b7}, // Hangul_J_Mieum
+	{0x0ee4, 0x11b8}, // Hangul_J_Pieub
+	{0x0ee5, 0x11b9}, // Hangul_J_PieubSios
+	{0x0ee6, 0x11ba}, // Hangul_J_Sios
+	{0x0ee7, 0x11bb}, // Hangul_J_SsangSios
+	{0x0ee8, 0x11bc}, // Hangul_J_Ieung
+	{0x0ee9, 0x11bd}, // Hangul_J_Jieuj
+	{0x0eea, 0x11be}, // Hangul_J_Cieuc
+	{0x0eeb, 0x11bf}, // Hangul_J_Khieuq
+	{0x0eec, 0x11c0}, // Hangul_J_Tieut
+	{0x0eed, 0x11c1}, // Hangul_J_Phieuf
+	{0x0eee, 0x11c2}, // Hangul_J_Hieuh
+	{0x0eef, 0x316d}, // Hangul_RieulYeorinHieuh
+	{0x0ef0, 0x3171}, // Hangul_SunkyeongeumMieum
+	{0x0ef1, 0x3178}, // Hangul_SunkyeongeumPieub
+	{0x0ef2, 0x317f}, // Hangul_PanSios
+	{0x0ef3, 0x3181}, // Hangul_KkogjiDalrinIeung
+	{0x0ef4, 0x3184}, // Hangul_SunkyeongeumPhieuf
+	{0x0ef5, 0x3186}, // Hangul_YeorinHieuh
+	{0x0ef6, 0x318d}, // Hangul_AraeA
+	{0x0ef7, 0x318e}, // Hangul_AraeAE
+	{0x0ef8, 0x11eb}, // Hangul_J_PanSios
+	{0x0ef9, 0x11f0}, // Hangul_J_KkogjiDalrinIeung
+	{0x0efa, 0x11f9}, // Hangul_J_YeorinHieuh
+	{0x0eff, 0x20a9}, // Korean_Won
+	{0x13a4, 0x20ac}, // Euro
+	{0x13bc, 0x0152}, // OE
+	{0x13bd, 0x0153}, // oe
+	{0x13be, 0x0178}, // Ydiaeresis
+	{0x20a0, 0x20a0}, // EcuSign
+	{0x20a1, 0x20a1}, // ColonSign
+	{0x20a2, 0x20a2}, // CruzeiroSign
+	{0x20a3, 0x20a3}, // FFrancSign
+	{0x20a4, 0x20a4}, // LiraSign
+	{0x20a5, 0x20a5}, // MillSign
+	{0x20a6, 0x20a6}, // NairaSign
+	{0x20a7, 0x20a7}, // PesetaSign
+	{0x20a8, 0x20a8}, // RupeeSign
+	{0x20a9, 0x20a9}, // WonSign
+	{0x20aa, 0x20aa}, // NewSheqelSign
+	{0x20ab, 0x20ab}, // DongSign
+	{0x20ac, 0x20ac}, // EuroSign
+	{0xfe50, 0x0300}, // dead_grave
+	{0xfe51, 0x0301}, // dead_acute
+	{0xfe52, 0x0302}, // dead_circumflex
+	{0xfe53, 0x0303}, // dead_tilde
+	{0xfe54, 0x0304}, // dead_macron
+	{0xfe55, 0x0306}, // dead_breve
+	{0xfe56, 0x0307}, // dead_abovedot
+	{0xfe57, 0x0308}, // dead_diaeresis
+	{0xfe58, 0x030a}, // dead_abovering
+	{0xfe59, 0x030b}, // dead_doubleacute
+	{0xfe5a, 0x030c}, // dead_caron
+	{0xfe5b, 0x0327}, // dead_cedilla
+	{0xfe5c, 0x0328}, // dead_ogonek
+	{0xfe5d, 0x0345}, // dead_iota
+	{0xfe5e, 0x3099}, // dead_voiced_sound
+	{0xfe5f, 0x309a}, // dead_semivoiced_sound
+	{0xff08, 0x0008}, // BackSpace	/* back space, back char */
+	{0xff09, 0x0009}, // Tab
+	{0xff0a, 0x000a}, // Linefeed	/* Linefeed, LF */
+	{0xff0b, 0x000b}, // Clear
+	{0xff0d, 0x000d}, // Return	/* Return, enter */
+	{0xff13, 0x0013}, // Pause	/* Pause, hold */
+	{0xff14, 0x0014}, // Scroll_Lock
+	{0xff15, 0x0015}, // Sys_Req
+	{0xff1b, 0x001b}, // Escape
+	{0xff80, 0x0032}, // KP_Space	/* space */
+	{0xff89, 0x0009}, // KP_Tab
+	{0xff8d, 0x000d}, // KP_Enter	/* enter */
+	{0xffaa, 0x002a}, // KP_Multiply
+	{0xffab, 0x002b}, // KP_Add
+	{0xffac, 0x002c}, // KP_Separator	/* separator, often comma */
+	{0xffad, 0x002d}, // KP_Subtract
+	{0xffae, 0x002e}, // KP_Decimal
+	{0xffaf, 0x002f}, // KP_Divide
+	{0xffb0, 0x0030}, // KP_0
+	{0xffb1, 0x0031}, // KP_1
+	{0xffb2, 0x0032}, // KP_2
+	{0xffb3, 0x0033}, // KP_3
+	{0xffb4, 0x0034}, // KP_4
+	{0xffb5, 0x0035}, // KP_5
+	{0xffb6, 0x0036}, // KP_6
+	{0xffb7, 0x0037}, // KP_7
+	{0xffb8, 0x0038}, // KP_8
+	{0xffb9, 0x0039}, // KP_9
+	{0xffbd, 0x003d}, // KP_Equal	/* equals */
+}

nexgb/AUTHORS

@@ -23,4 +23,4 @@ Alessandro Arzilli <alessandro.arzilli@gmail.com>
 fangyuanziti <tiziyuanfang@gmail.com>
 Bryan Matsuo <bryan.matsuo@gmail.com>
 Rabin Vincent <rabin@rab.in>
-Přemysl Janouch <p@janouch.name>
+Přemysl Eric Janouch <p@janouch.name>

nexgb/CONTRIBUTORS

@@ -32,4 +32,4 @@ Alessandro Arzilli <alessandro.arzilli@gmail.com>
 fangyuanziti <tiziyuanfang@gmail.com>
 Bryan Matsuo <bryan.matsuo@gmail.com>
 Rabin Vincent <rabin@rab.in>
-Přemysl Janouch <p@janouch.name>
+Přemysl Eric Janouch <p@janouch.name>

nexgb/README

@@ -12,8 +12,8 @@ Quick usage
  go get janouch.name/haven/nexgb
  go run $GOPATH/src/janouch.name/haven/nexgb/examples/create-window/main.go
 
-Přemysl Janouch's fork
-----------------------
+Přemysl Eric Janouch's fork
+---------------------------
 I've merged BurntSushi/xgb into haven as a subdirectory due to a/ inactivity
 upstream, and b/ intentions to make incompatible changes meant to be in sync
 with the rest of the project.

nexgb/xgbgen/LICENSE

@@ -1,5 +1,5 @@
 Copyright (c) 2012 - 2016, Andrew Gallant <jamslam@gmail.com>
-Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted.

prototypes/tls-autodetect.go

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.

prototypes/xgb-image.go

@@ -2,17 +2,19 @@ package main
 
 import (
 	"encoding/binary"
-	"github.com/BurntSushi/xgb"
-	"github.com/BurntSushi/xgb/render"
-	"github.com/BurntSushi/xgb/shm"
-	"github.com/BurntSushi/xgb/xproto"
 	"log"
 	"os"
 	"reflect"
 	"time"
 	"unsafe"
 
+	"github.com/BurntSushi/xgb"
+	"github.com/BurntSushi/xgb/render"
+	"github.com/BurntSushi/xgb/shm"
+	"github.com/BurntSushi/xgb/xproto"
+
 	"image"
+	"image/color"
 	_ "image/gif"
 	_ "image/jpeg"
 	_ "image/png"
@@ -25,6 +27,47 @@ import "C"
 func F64ToFixed(f float64) render.Fixed { return render.Fixed(f * 65536) }
 func FixedToF64(f render.Fixed) float64 { return float64(f) / 65536 }
 
+var formats = map[byte]struct {
+	format    render.Directformat
+	transform func(color.Color) uint32
+}{
+	32: {
+		format: render.Directformat{
+			RedShift:   16,
+			RedMask:    0xff,
+			GreenShift: 8,
+			GreenMask:  0xff,
+			BlueShift:  0,
+			BlueMask:   0xff,
+			AlphaShift: 24,
+			AlphaMask:  0xff,
+		},
+		transform: func(color color.Color) uint32 {
+			r, g, b, a := color.RGBA()
+			return (a>>8)<<24 | (r>>8)<<16 | (g>>8)<<8 | (b >> 8)
+		},
+	},
+	30: {
+		/*
+			// Alpha makes compositing unbearably slow.
+			AlphaShift: 30,
+			AlphaMask:  0x3,
+		*/
+		format: render.Directformat{
+			RedShift:   20,
+			RedMask:    0x3ff,
+			GreenShift: 10,
+			GreenMask:  0x3ff,
+			BlueShift:  0,
+			BlueMask:   0x3ff,
+		},
+		transform: func(color color.Color) uint32 {
+			r, g, b, a := color.RGBA()
+			return (a>>14)<<30 | (r>>6)<<20 | (g>>6)<<10 | (b >> 6)
+		},
+	},
+}
+
 func main() {
 	/*
 		pf, err := os.Create("pprof.out")
@@ -62,17 +105,36 @@ func main() {
 	screen := setup.DefaultScreen(X)
 
 	visual, depth := screen.RootVisual, screen.RootDepth
-	// TODO: We should check that we find it, though we don't /need/ alpha here,
-	// it's just a minor improvement--affects the backpixel value.
+
+	// Only go for 10-bit when the picture can make use of that range.
+	prefer30 := false
+	switch img.(type) {
+	case *image.Gray16, *image.RGBA64, *image.NRGBA64:
+		prefer30 = true
+	}
+
+	// XXX: We don't /need/ alpha here, it's just a minor improvement--affects
+	// the backpixel value. (And we reject it in 30-bit depth anyway.)
+Depths:
 	for _, i := range screen.AllowedDepths {
 		for _, v := range i.Visuals {
-			// TODO: Could/should check other parameters.
-			if i.Depth == 32 && v.Class == xproto.VisualClassTrueColor {
+			// TODO: Could/should check other parameters, e.g., the RGB masks.
+			if v.Class != xproto.VisualClassTrueColor {
+				continue
+			}
+			if i.Depth == 32 || i.Depth == 30 && prefer30 {
 				visual, depth = v.VisualId, i.Depth
-				break
+				if !prefer30 || i.Depth == 30 {
+					break Depths
 				}
 			}
 		}
+	}
+
+	format, ok := formats[depth]
+	if !ok {
+		log.Fatalln("unsupported bit depth")
+	}
 
 	mid, err := xproto.NewColormapId(X)
 	if err != nil {
@@ -91,7 +153,7 @@ func main() {
 	_ = xproto.CreateWindow(X, depth, wid, screen.Root,
 		0, 0, 500, 500, 0, xproto.WindowClassInputOutput,
 		visual, xproto.CwBackPixel|xproto.CwBorderPixel|xproto.CwEventMask|
-			xproto.CwColormap, []uint32{0x80808080, 0,
+			xproto.CwColormap, []uint32{format.transform(color.Alpha{0x80}), 0,
 			xproto.EventMaskStructureNotify | xproto.EventMaskExposure,
 			uint32(mid)})
 
@@ -131,7 +193,7 @@ func main() {
 	// setup.BitmapFormatScanline{Pad,Unit} and setup.BitmapFormatBitOrder
 	// don't interest us here since we're only using Z format pixmaps.
 	for _, pf := range setup.PixmapFormats {
-		if pf.Depth == 32 {
+		if pf.Depth == depth {
 			if pf.BitsPerPixel != 32 || pf.ScanlinePad != 32 {
 				log.Fatalln("unsuported X server")
 			}
@@ -142,28 +204,18 @@ func main() {
 	if err != nil {
 		log.Fatalln(err)
 	}
-	_ = xproto.CreatePixmap(X, 32, pixid, xproto.Drawable(screen.Root),
+	_ = xproto.CreatePixmap(X, depth, pixid, xproto.Drawable(screen.Root),
 		uint16(img.Bounds().Dx()), uint16(img.Bounds().Dy()))
 
 	var bgraFormat render.Pictformat
-	wanted := render.Directformat{
-		RedShift:   16,
-		RedMask:    0xff,
-		GreenShift: 8,
-		GreenMask:  0xff,
-		BlueShift:  0,
-		BlueMask:   0xff,
-		AlphaShift: 24,
-		AlphaMask:  0xff,
-	}
 	for _, pf := range pformats.Formats {
-		if pf.Depth == 32 && pf.Direct == wanted {
+		if pf.Depth == depth && pf.Direct == format.format {
 			bgraFormat = pf.Id
 			break
 		}
 	}
 	if bgraFormat == 0 {
-		log.Fatalln("ARGB format not found")
+		log.Fatalln("picture format not found")
 	}
 
 	// We could also look for the inverse pictformat.
@@ -201,14 +253,12 @@ func main() {
 		row := make([]byte, bounds.Dx()*4)
 		for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
 			for x := bounds.Min.X; x < bounds.Max.X; x++ {
-				r, g, b, a := img.At(x, y).RGBA()
-				encoding.PutUint32(row[x*4:],
-					(a>>8)<<24|(r>>8)<<16|(g>>8)<<8|(b>>8))
+				encoding.PutUint32(row[x*4:], format.transform(img.At(x, y)))
 			}
 			_ = xproto.PutImage(X, xproto.ImageFormatZPixmap,
 				xproto.Drawable(pixid), cid, uint16(bounds.Dx()), 1,
 				0, int16(y),
-				0, 32, row)
+				0, depth, row)
 		}
 	} else {
 		rep, err := shm.QueryVersion(X).Reply()
@@ -241,9 +291,7 @@ func main() {
 		for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
 			row := data[y*bounds.Dx()*4:]
 			for x := bounds.Min.X; x < bounds.Max.X; x++ {
-				r, g, b, a := img.At(x, y).RGBA()
-				encoding.PutUint32(row[x*4:],
-					(a>>8)<<24|(r>>8)<<16|(g>>8)<<8|(b>>8))
+				encoding.PutUint32(row[x*4:], format.transform(img.At(x, y)))
 			}
 		}
 
@@ -261,7 +309,7 @@ func main() {
 		_ = shm.PutImage(X, xproto.Drawable(pixid), cid,
 			uint16(bounds.Dx()), uint16(bounds.Dy()), 0, 0,
 			uint16(bounds.Dx()), uint16(bounds.Dy()), 0, 0,
-			32, xproto.ImageFormatZPixmap,
+			depth, xproto.ImageFormatZPixmap,
 			0 /* SendEvent */, segid, 0 /* Offset */)
 	}