Small hideshow fix - ignore strings as well as comments (tiny change)

* lisp/progmodes/hideshow.el (hs-looking-at-block-start-p)
(hs-find-block-beginning, hs-hide-level-recursive):
Ignore strings as well as comments.

Fixes: debbugs:9502

2 files changed, 10 insertions, 4 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 4a60247a4c7..f1cdee00c97 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+2011-09-22  Dima Kogan  <dkogan@secretsauce.net>  (tiny change)
+
+        * progmodes/hideshow.el (hs-looking-at-block-start-p)
+        (hs-find-block-beginning, hs-hide-level-recursive):
+        Ignore strings as well as comments.  (Bug#9502)
+
 2011-09-22  Andrew Schein  <andrew@andrewschein.com>  (tiny change)
 
         * progmodes/sql.el (sql-comint-postgres):
diff --git a/lisp/progmodes/hideshow.el b/lisp/progmodes/hideshow.el
index 49202ab6692..ca8be01d4a8 100644
--- a/lisp/progmodes/hideshow.el
+++ b/lisp/progmodes/hideshow.el
@@ -539,7 +539,7 @@ property of an overlay."
 (defun hs-looking-at-block-start-p ()
   "Return non-nil if the point is at the block start."
   (and (looking-at hs-block-start-regexp)
-       (save-match-data (not (nth 4 (syntax-ppss))))))
+       (save-match-data (not (nth 8 (syntax-ppss))))))
 
 (defun hs-forward-sexp (match-data arg)
   "Adjust point based on MATCH-DATA and call `hs-forward-sexp-func' w/ ARG.
@@ -693,8 +693,8 @@ Return point, or nil if original point was not in a block."
         (point)
       ;; look backward for the start of a block that contains the cursor
       (while (and (re-search-backward hs-block-start-regexp nil t)
-                  ;; go again if in a comment
-                  (or (save-match-data (nth 4 (syntax-ppss)))
+                  ;; go again if in a comment or a string
+                  (or (save-match-data (nth 8 (syntax-ppss)))
                       (not (setq done
                                  (< here (save-excursion
                                            (hs-forward-sexp (match-data t) 1)
@@ -718,7 +718,7 @@ Return point, or nil if original point was not in a block."
            (and (< (point) maxp)
                 (re-search-forward hs-block-start-regexp maxp t)))
     (when (save-match-data
-            (not (nth 4 (syntax-ppss)))) ; not inside comments
+            (not (nth 8 (syntax-ppss)))) ; not inside comments or strings
       (if (> arg 1)
           (hs-hide-level-recursive (1- arg) minp maxp)
         (goto-char (match-beginning hs-block-start-mdata-select))