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bug#1239: PATCH: Fix corner case of texinfo-insert-quote


From: Aaron S. Hawley
Subject: bug#1239: PATCH: Fix corner case of texinfo-insert-quote
Date: Fri, 24 Oct 2008 13:40:46 -0400
User-agent: Thunderbird 2.0.0.16 (X11/20080723)

Patch is attached and in-line. It would be nice to have this, in case one tries to do quotation mark manipulation with with-temp-buffer.

Thanks for Emacs,
/a

Index: ChangeLog
===================================================================
RCS file: /sources/emacs/emacs/lisp/ChangeLog,v
retrieving revision 1.14668
diff -u -r1.14668 ChangeLog
--- ChangeLog   24 Oct 2008 09:39:28 -0000      1.14668
+++ ChangeLog   24 Oct 2008 17:29:37 -0000
@@ -1,3 +1,8 @@
+2008-10-24  Aaron S. Hawley  <address@hidden>
+
+       * textmodes/texinfo.el (texinfo-insert-quote): Handle corner
+        case where point is at the beginning of the buffer.
+
 2008-10-24  Juanma Barranquero  <address@hidden>

        * subr.el (locate-user-emacs-file): New function.
Index: textmodes/texinfo.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/texinfo.el,v
retrieving revision 1.122
diff -u -r1.122 texinfo.el
--- textmodes/texinfo.el        6 May 2008 04:33:13 -0000       1.122
+++ textmodes/texinfo.el        24 Oct 2008 17:29:37 -0000
@@ -682,7 +682,9 @@
     (if (or arg
            (= (preceding-char) ?\\)
            (save-excursion
-             (backward-char (length texinfo-open-quote))
+             (if (> (point) (length texinfo-open-quote))
+                 (backward-char (length texinfo-open-quote))
+               (goto-char (point-min)))
              (when (or (looking-at texinfo-open-quote)
                        (looking-at texinfo-close-quote))
                (delete-char (length texinfo-open-quote))
@@ -694,7 +696,8 @@
                    (setq in-env t)))))
        (self-insert-command (prefix-numeric-value arg))
       (insert
-       (if (memq (char-syntax (preceding-char)) '(?\( ?> ?\s))
+       (if (or (bobp) ;; (eq (preceding-char) 0)
+              (memq (char-syntax (preceding-char)) '(?\( ?> ?\s)))
           texinfo-open-quote
         texinfo-close-quote)))))

Index: ChangeLog
===================================================================
RCS file: /sources/emacs/emacs/lisp/ChangeLog,v
retrieving revision 1.14668
diff -u -r1.14668 ChangeLog
--- ChangeLog   24 Oct 2008 09:39:28 -0000      1.14668
+++ ChangeLog   24 Oct 2008 17:29:37 -0000
@@ -1,3 +1,8 @@
+2008-10-24  Aaron S. Hawley  <address@hidden>
+
+       * textmodes/texinfo.el (texinfo-insert-quote): Handle corner
+        case where point is at the beginning of the buffer.
+
 2008-10-24  Juanma Barranquero  <address@hidden>
 
        * subr.el (locate-user-emacs-file): New function.
Index: textmodes/texinfo.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/texinfo.el,v
retrieving revision 1.122
diff -u -r1.122 texinfo.el
--- textmodes/texinfo.el        6 May 2008 04:33:13 -0000       1.122
+++ textmodes/texinfo.el        24 Oct 2008 17:29:37 -0000
@@ -682,7 +682,9 @@
     (if (or arg
            (= (preceding-char) ?\\)
            (save-excursion
-             (backward-char (length texinfo-open-quote))
+             (if (> (point) (length texinfo-open-quote))
+                 (backward-char (length texinfo-open-quote))
+               (goto-char (point-min)))
              (when (or (looking-at texinfo-open-quote)
                        (looking-at texinfo-close-quote))
                (delete-char (length texinfo-open-quote))
@@ -694,7 +696,8 @@
                    (setq in-env t)))))
        (self-insert-command (prefix-numeric-value arg))
       (insert
-       (if (memq (char-syntax (preceding-char)) '(?\( ?> ?\s))
+       (if (or (bobp) ;; (eq (preceding-char) 0)
+              (memq (char-syntax (preceding-char)) '(?\( ?> ?\s)))
           texinfo-open-quote
         texinfo-close-quote)))))
 

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