degesch: update comments

degesch.c

@@ -1328,8 +1328,6 @@ channel_user_destroy (struct channel_user *self)
 // We keep references to channels in their buffers,
 // and weak references in their users and the name lookup table.
 
-// XXX: this doesn't really have to be reference countable
-
 struct channel
 {
 	REF_COUNTABLE_HEADER
@@ -3366,11 +3364,14 @@ line_wrap_flush (struct line_wrap_state *s, bool force_split)
 	else if (force_split || s->chunk.used > s->line_max)
 	{
 #ifdef WRAP_UNNECESSARILY
-		// Use the entire line and split the chunk in the middle
+		// When the line wraps at the end of the screen and a background colour
+		// is set, the terminal paints the entire new line with that colour.
+		// Explicitly inserting a newline with the default attributes fixes it.
 		line_wrap_flush_split (s, &s->overflow);
 #else
-		// We don't actually _need_ to split here, and doing so will break
-		// link searching mechanisms in some terminals
+		// Splitting here breaks link searching mechanisms in some terminals,
+		// though, so we make a trade-off and let the chunk wrap naturally.
+		// Fuck terminals, really.
 		s->line_used = s->overflow.used;
 #endif
 	}
@@ -10136,7 +10137,6 @@ handle_command_buffer (struct handler_args *a)
 	else if (!strcasecmp_ascii (action, "clear"))
 	{
 		buffer_clear (a->buffer);
-		// XXX: clear screen?
 		buffer_print_backlog (ctx, a->buffer);
 	}
 	else if (!strcasecmp_ascii (action, "move"))