[nongnu] elpa/rainbow-delimiters f43d48a246 186/188: Widen before propertizing if under mmm-mode

[ELPA Syncer]

branch: elpa/rainbow-delimiters
commit f43d48a24602be3ec899345a3326ed0247b960c6
Author: Fanael Linithien <fanael4@gmail.com>
Commit: Fanael Linithien <fanael4@gmail.com>

    Widen before propertizing if under mmm-mode
    
    Closes #52.
---
 rainbow-delimiters.el | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rainbow-delimiters.el b/rainbow-delimiters.el
index 6535e0df36..96691b80f8 100644
--- a/rainbow-delimiters.el
+++ b/rainbow-delimiters.el
@@ -231,6 +231,10 @@ Returns t if char at loc meets one of the following 
conditions:
   "Highlight delimiters in region between point and END.
 
 Used by font-lock for dynamic highlighting."
+  (when (bound-and-true-p mmm-current-submode)
+    ;; `mmm-mode' is weird and apparently needs this hack, because otherwise we
+    ;; may end up thinking matched parentheses are mismatched.
+    (widen))
   (let* ((last-ppss-pos (point))
          (ppss (syntax-ppss)))
     (while (> end (progn (skip-syntax-forward "^()" end)