Set paragraph-separate when editing eclasses

* ebuild-mode.el (ebuild-mode): Set paragraph-separate for
eclasses, in order to prevent rewrapping of paragraphs into a
preceding eclass documentation token.

Signed-off-by: Ulrich Müller <ulm@gentoo.org>

2 files changed, 15 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index 06e53f2..987659a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2023-08-26  Ulrich Müller  <ulm@gentoo.org>
+
+	* ebuild-mode.el (ebuild-mode): Set paragraph-separate for
+	eclasses, in order to prevent rewrapping of paragraphs into a
+	preceding eclass documentation token.
+
 2023-08-24  Ulrich Müller  <ulm@gentoo.org>
 
 	* ebuild-mode.el:
diff --git a/ebuild-mode.el b/ebuild-mode.el
index 546ca61..6206ccf 100644
--- a/ebuild-mode.el
+++ b/ebuild-mode.el
@@ -412,12 +412,15 @@ Compatibility function for XEmacs."
   (setq fill-column 72)
   (setq tab-width 4)
   (setq indent-tabs-mode t)
-  (and buffer-file-name
-       (let ((case-fold-search t))
-	 (string-match "\\.eclass\\'"
-		       (file-name-sans-versions buffer-file-name)))
-       ;; Eclass documentation uses two spaces after sentence ends
-       (set (make-local-variable 'sentence-end-double-space) t)))
+  (when (and buffer-file-name
+	     (let ((case-fold-search t))
+	       (string-match "\\.eclass\\'"
+			     (file-name-sans-versions buffer-file-name))))
+    ;; Eclass documentation uses two spaces after sentence ends
+    (set (make-local-variable 'sentence-end-double-space) t)
+    ;; Don't rewrap paragraphs into a preceding eclassdoc token
+    (set (make-local-variable 'paragraph-separate)
+	 (concat paragraph-start "\\|^# @"))))
 
 (add-hook 'ebuild-mode-hook
 	  (lambda () (font-lock-add-keywords