Update README

README

@@ -40,6 +40,7 @@ figured out it would make sense:
  - hsm  - system monitor
  - hss  - spreadsheets
  - htd  - translation dictionary
+ - ht   - terminal emulator
  - htk  - GUI toolkit library
 
 See Projects for more information about the individual projects.
@@ -50,7 +51,7 @@ 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.
+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
@@ -184,6 +185,9 @@ 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.
+
 htd -- translation dictionary
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 This specific kind of application doesn't need a lot of user interface either,
@@ -221,6 +225,8 @@ 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 "// ".
@@ -249,6 +255,10 @@ 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)
 
+ht -- terminal emulator
+~~~~~~~~~~~~~~~~~~~~~~~
+Similar scope to st(1).  Clever display of internal padding for better looks.
+
 The rest
 ~~~~~~~~
 Currently there are no significant, specific plans about the other applications.