From fd92cc8c646dfc61bdcff1359e2d30bb24f69246 Mon Sep 17 00:00:00 2001
From: bw <rsw@gnu.org>
Date: Sun, 28 Jun 2026 19:01:45 -0400
Subject: [PATCH] hywiki-include-special-modes - Add csv, GNUS, mh, mu4e and
 rmail

- hpath:delimited-possible-path - Fix 'char-syntax' comparison
  to compare current char's syntax against the punctuation char, not
  the char-syntax of the punctuation char.
---
 ChangeLog |  7 +++++++
 hpath.el  |  4 ++--
 hywiki.el | 11 +++++++++--
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 42e66491..1fb22bb3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2026-06-28  Bob Weiner  <rsw@gnu.org>
 
+* hywiki.el (hywiki-include-special-modes): Add HyWiki support in csv,
+    GNUS, mh, mu4e and rmail modes.
+
+* hpath.el (hpath:delimited-possible-path): Fix 'char-syntax' comparison
+    to compare current char's syntax against the punctuation char, not
+    the char-syntax of the punctuation char.
+
 * test/hui-tests.el (hui--hbut-act--links): Add for testing that ilinks,
     elinks and glinks do not confuse each others referents.
 
diff --git a/hpath.el b/hpath.el
index 5c78fdd5..b8bfb35e 100644
--- a/hpath.el
+++ b/hpath.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:     1-Nov-91 at 00:44:23
-;; Last-Mod:     28-Jun-26 at 14:18:59 by Bob Weiner
+;; Last-Mod:     28-Jun-26 at 16:52:07 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -1189,7 +1189,7 @@ end-pos) or nil."
 	(when (and (stringp p) (not (string-match-p "\\`{.*}\\'\\|\"\\|\\`[/\\]+\\'" p))
 		   (delq nil (mapcar (lambda (c)
                                        (or (memq c '(?~ ?. ?/ ?* ?? ?\\))
-                                           (/= (char-syntax ?.) (char-syntax c))))
+                                           (/= (char-syntax c) ?.)))
                                      p)))
 	  ;; Prepend proper directory from cd, ls *, recursive ls or dir file
 	  ;; listings when needed.
diff --git a/hywiki.el b/hywiki.el
index 4be002a0..e6ea33d6 100644
--- a/hywiki.el
+++ b/hywiki.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:    21-Apr-24 at 22:41:13
-;; Last-Mod:     27-Jun-26 at 18:45:09 by Bob Weiner
+;; Last-Mod:     28-Jun-26 at 18:53:13 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -326,7 +326,14 @@ included in the list, `hywiki-include-special-modes'."
   :group 'hyperbole-hywiki)
 
 (defcustom hywiki-include-special-modes
-  '(elfeed-search-mode elfeed-show-mode eww-mode kotl-mode)
+  '(csv-mode
+    elfeed-search-mode elfeed-show-mode
+    eww-mode
+    gnus-article-edit-mode gnus-article-mode
+    kotl-mode
+    mh-letter-mode mh-show-mode
+    mu4e-headers-mode mu4e-main-mode
+    rmail-edit-mode rmail-mode)
   "List of `special' major modes with HyWikiWord highlighting and recognition.
 By default, all special modes, like Dired, are excluded.  A major mode
 included here will override its inclusion in `hywiki-exclude-major-modes'."