Copyright © 2017 Oleg Pykhalov <go.wigust@gmail.com>
Copyright © 2017 Ludovic Courtès <ludo@gnu.org>

This patch adds highlighting for (guix) G-Expressions.

diff --git a/highlight-stages.el b/highlight-stages.el
index 3094c3c..e11260e 100644
--- a/highlight-stages.el
+++ b/highlight-stages.el
@@ -237,14 +237,14 @@ non-nil, (match-string 0) must be the expression matched."
 
 (defun highlight-stages-lisp-quote-matcher (&optional limit)
   (when (highlight-stages--search-forward-regexp
-         "\\(?:`\\|\\(#?'\\)\\)\\|([\s\t\n]*\\(?:backquote\\|\\(quote\\)\\)[\s\t\n]+" limit)
+         "\\(?:`\\|\\(#?'\\)\\)\\|([\s\t\n]*\\(?:backquote\\|\\(quote\\)\\)[\s\t\n]+\\|\\(?:#~\\)\\|([\s\t\n]*\\(?:gexp\\)[\s\t\n]+" limit)
     (prog1 (if (or (match-beginning 1) (match-beginning 2)) 'real t)
       (set-match-data
        (list (point)
              (progn (ignore-errors (forward-sexp 1)) (point)))))))
 
 (defun highlight-stages-lisp-escape-matcher (&optional limit)
-  (when (highlight-stages--search-forward-regexp ",@?\\|([\s\t\n]*\\\\,@?+[\s\t\n]+" limit)
+  (when (highlight-stages--search-forward-regexp ",@?\\|([\s\t\n]*\\\\,@?+[\s\t\n]+\\|\\(unquote\\)\\|\\(unquote-splicing\\)\\|\\(ungexp-native\\)\\|\\(ungexp-splicing\\)\\|\\(ungexp-native-splicing\\)\\|\\(ungexp\\)\\|#\\$" limit)
     (set-match-data
      (list (point)
            (progn (ignore-errors (forward-sexp 1)) (point))))
1a4fdc9ab3c99a6dc07af09c548e7d177c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/tests/uuid.scm'>
<input type='hidden' name='id' value='d9d1421a4fdc9ab3c99a6dc07af09c548e7d177c'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=d9d1421a4fdc9ab3c99a6dc07af09c548e7d177c'>root</a>/<a href='/guix/log/tests?id=d9d1421a4fdc9ab3c99a6dc07af09c548e7d177c'>tests</a>/<a href='/guix/log/tests/uuid.scm?id=d9d1421a4fdc9ab3c99a6dc07af09c548e7d177c'>uuid.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/uuid.scm?id=d9d1421a4fdc9ab3c99a6dc07af09c548e7d177c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-05-07 12:18:44 +0200'>2019-05-07</span></td><td><a href='/guix/commit/tests/uuid.scm?id=6c5790a2faf8ffc401e43b13425a707394e40874'>uuid: 'fat-uuid-&gt;string' preserves leading zeros.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-19 00:14:52 +0200'>2018-05-19</span></td><td><a href='/guix/commit/tests/uuid.scm?id=263c9941a1e523b360ca9f42d1ed6b11e6e6e285'>uuid: 'uuid' returns #f when 'string-&gt;uuid' returns #f.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-10-06 14:16:23 +0200'>2017-10-06</span></td><td><a href='/guix/commit/tests/uuid.scm?id=0b12324284f3fbf378d363070f91b794058ae570'>uuid: Fix typo in 'uuid=?' test.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-10-05 12:09:17 +0200'>2017-10-05</span></td><td><a href='/guix/commit/tests/uuid.scm?id=aed1f1b049f6e7ef9f2f2db58bdca6cd3effe94b'>uuid: Add 'uuid=?' and use it.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-09-22 18:40:57 +0200'>2017-09-22</span></td><td><a href='/guix/commit/tests/uuid.scm?id=8a7d81a5e23c4d59fbabf2550db32d4ba5572e4b'>uuid: Add a parser for FAT32 UUIDs.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-09-14 00:10:13 +0200'>2017-09-14</span></td><td><a href='/guix/commit/tests/uuid.scm?id=8f3b63b5d73c0b49139c8a20b7576732abfdeeb8'>uuid: Move tests to 'tests/uuid.scm'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>