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2007-10-26 John Wiegley <johnw@newartisans.com>
authorJohn Wiegley <johnw@newartisans.com>
Fri, 26 Oct 2007 08:07:17 +0000 (08:07 +0000)
committerJohn Wiegley <johnw@newartisans.com>
Fri, 26 Oct 2007 08:07:17 +0000 (08:07 +0000)
commit4990598e2ca81efe8086c77e89324736c9fd3a61
tree57c266c3b3dbb9d7ae5250680f42e6e97a9ef12btree | snapshot
parent6a83140588c243ad5aa0f85d903b843679d9c09ccommit | diff
2007-10-26  John Wiegley  <johnw@newartisans.com>

* eshell/em-unix.el (eshell/diff): Before calling the `diff'
function, ensure that the third argument is turned into a NIL if
the string is otherwise completely empty (either no characters, or
all tabs/spaces).  This fixes a bug from a user who found himself
unable to customize `diff-switches' and still use Eshell's diff
command.
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