[Emacs-diffs] master bb591f139f: Enhance CC Mode's fontification, etc., of unterminated strings.

[Tino Calancha]

Hi Alan,

Since this commit one test 
(electric-pair-autowrapping-5-at-point-2-in-c++-mode-in-strings)
in electric-tests.el is failing with error:

(scan-error "Unbalanced parentheses" 6 1)

This is the bactrace:
  scan-sexps(7 -1)
  forward-sexp(-1)
  backward-sexp()
  c-before-change-check-unbalanced-strings(6 6)
  #f(compiled-function (fn) #<bytecode 0x1171d85>)(c-before-change-che
  mapc(#f(compiled-function (fn) #<bytecode 0x1171d85>) (c-extend-regi
  c-before-change(6 6)
  self-insert-command(1)
  electric-pair--insert(34)
  electric-pair-post-self-insert-function()
  self-insert-command(1)
  funcall-interactively(self-insert-command 1)
  call-interactively(self-insert-command)
  #f(compiled-function () #<bytecode 0x484725>)()
  funcall(#f(compiled-function () #<bytecode 0x484725>))
  (let nil (funcall '#f(compiled-function () #<bytecode 0x484725>)))
  eval((let nil (funcall '#f(compiled-function () #<bytecode 0x484725>
  #f(compiled-function () #<bytecode 0x48475d>)()
  call-with-saved-electric-modes(#f(compiled-function () #<bytecode 0x
  electric-pair-test-for("\"foo\"" 2 34 "\"\"foo\"\"" 3 c++-mode nil #
  #f(compiled-function () #<bytecode 0x514bbd>)()
  ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
  ert-run-test(#s(ert-test :name electric-pair-autowrapping-5-at-point
  ert-run-or-rerun-test(#s(ert--stats :selector (not (or (tag :expensi
  ert-run-tests((not (or (tag :expensive-test) (tag :unstable))) #f(co
  ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable)))
  ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un
  eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) (
  command-line-1(("-L" ":." "-l" "ert" "-l" "lisp/electric-tests" "--e
  command-line()
  normal-top-level()