update femto docs

femto.tal

@@ -4,7 +4,6 @@
 ( see femto launcher script for more details )
 
 ( TODO: )
-( - dollar ($) and caret (^) regex bug )
 ( - get long line truncation/scrolling working )
 ( - allow line numbers to be toggled off )
 ( - open file command? )
@@ -1332,7 +1331,6 @@
 
 ( ESC [ 1 m $ ESC [ 0 m )
 @emit-red-dollar ( -> )
-(    ,emit-red JSR emit-$ ,emit-reset JMP2 )
     ,emit-red JSR emit-$ ,emit-reset JMP
 
 ( ESC [ 3 $x ; 7 m )

femto.txt

@@ -98,8 +98,9 @@ the following commands:
  - n (or C-s): move forward to the next match, if any
  - p (or C-r): move backwards to the previous match, if any
 
-regex support is a work in progress, but basic regular expression syntax is
-mostly working.
+regex support is a work in progress, but basic regular expression
+syntax is mostly working.
 
-there are notable absences such as character classes (e.g. [] and [^]),
-references to capture groups (e.g. \1), and repetitions (e.g. {n}).
+there are notable absences such as references to capture groups
+(such as \1), repetitions (such as {n} or {m,n}), and symbolic
+character classes (such as \w or \s).