On Sat, Jul 1, 2017 at 12:10 PM, Alan Mackenzie <acm@muc.de> wrote:
> The code involved is moderately involved, with special cases needed to
> handle things like '\'', '\\', or char foo [] = {',',',',',',','};.  So
> if there are any problems with it (in particular, large areas of text
> following a quotey bit getting misfontified with font-lock-string-face),
> please let me know.

I think this change breaks tests/lisp/electric-tests.el, here's a
reduced test case (backtrace attached)

(with-temp-buffer
  (c++-mode)
  (insert " (((()) ")
  (goto-char 4)
  (insert ")"))