From: Stefan Monnier <monnier@iro.umontreal.ca>
Date: Mon, 7 Aug 2006 18:24:25 +0000 (+0000)
Subject: (font-lock-extend-jit-lock-region-after-change): Better comment.
X-Git-Tag: emacs-pretest-22.0.90~1076
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=10412e6312cabf9265acbe32fd3743927038015f;p=emacs.git

(font-lock-extend-jit-lock-region-after-change): Better comment.
---

diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index ab80316ae6a..b662a6735b0 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -1196,6 +1196,10 @@ This function does 2 things:
       ;; it anyway.  Here OTOH we have no guarantee that
       ;; font-lock-default-fontify-region will be executed on this region
       ;; any time soon.
+      ;; Note: contrary to font-lock-default-fontify-region, we do not do
+      ;; any loop here because we are not looking for a safe spot: we just
+      ;; mark the text whose appearance may need to change as a result of
+      ;; the buffer modification.
       (when (and (> beg (point-min))
                  (get-text-property (1- beg) 'font-lock-multiline))
         (setq beg (or (previous-single-property-change