* textmodes/reftex-cite.el (reftex-format-citation): Add format
chars for note (%N) and url (%U).
* textmodes/reftex-vars.el (reftex-cite-format): Document them.
ispell.el: Make sure hunspell specific dict names are used for standard dicts when using hunspell.

(ispell-hunspell-dictionary-equivs-alist):
  New variable to map standard dict names to hunspell ones.

(ispell-set-spellchecker-params):
  Make sure specific dict names are used for standard dicts with hunspell.

  If a mapping is missing, skip that dictionary.
* fileio.c (Finsert_file_contents): Revert code introduced at
2013-01-18 in favor of the simpler and generally better fix.
Save stack space by removing 'buffer' and reusing 'read_buf'
where appropriate.
Another minor fix in acl_set_file on Windows.

 src/w32.c (acl_set_file): Don't test for errors unless
 set_file_security returns FALSE.  Avoids spurious errors when
 saving files.
gnus-sum.el (gnus-summary-read-group-1): Debbugs group entry fixups
* fileio.c (Finsert_file_contents): Simplify.

Remove unnecessary assignments and tests.