Change diff-switches default to `-u'
commita9ccfaefc1ca8fa5b0177101984f64b3b186339b
authorDmitry Gutov <dgutov@yandex.ru>
Tue, 14 Apr 2015 02:03:32 +0000 (14 05:03 +0300)
committerDmitry Gutov <dgutov@yandex.ru>
Tue, 14 Apr 2015 02:06:49 +0000 (14 05:06 +0300)
tree70c652aeeb0b392d25702a1d75c531f449ed347e
parente192281baae377a8702f3c048fce988d63ccfc1a
Change diff-switches default to `-u'

Fixes: debbugs:20290

* doc/emacs/files.texi (Comparing Files): Document the new default
value of `diff-switches'.

* doc/emacs/trouble.texi (Sending Patches): Document the preference
for unified diff format.  Escape the plus in the suggested `-F' regexp
value.

* lisp/vc/diff.el (diff-switches): Change the default to `-u'.
doc/emacs/files.texi
doc/emacs/trouble.texi
etc/NEWS
lisp/vc/diff.el