Issue #15920 has been updated by Gleb Arshinov.

Status changed from Unreviewed to In Topic Branch Pending Review
Branch set to ticket/2.7.x/15920_fix_sexp_ignore_comments_in_puppel_el


----------------------------------------
Bug #15920: In Emacs's puppet-mode.el forward-sexp is broken by comments with 
unterminated strings
https://projects.puppetlabs.com/issues/15920#change-68847

Author: Gleb Arshinov
Status: In Topic Branch Pending Review
Priority: Normal
Assignee: 
Category: 
Target version: 
Affected Puppet version: 
Keywords: 
Branch: ticket/2.7.x/15920_fix_sexp_ignore_comments_in_puppel_el


Problem:
--------

Try on the following manifest:

<pre>
  foo {
    # won'
  }
</pre>

Put cursor on the opening brace and run C-M-f (forward-sexp).  Will get 
forward-sexp: Scan error: "Unbalanced parentheses"

Cause:
-----

The problem is that parse-sexp-ignore-comments is not set.

The problem got introduced in commit 1c02749e8b54616043f728ed18ddec1dc4353a2d 
(Committed patch from #1160).

Workaround:
----------

<pre>
(defun my-puppet-mode-hook ()
  ;; fix forward-sexp behavior for unterminated strings in comments, e.g.
  ;;   foo {
  ;;     # won'
  ;;   }
  (make-local-variable 'parse-sexp-ignore-comments)
  (setq parse-sexp-ignore-comments t))
(add-hook 'puppet-mode-hook 'my-puppet-mode-hook)
</pre>


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