don't change the original string, undo won't work so good
commitcf5683f99af358af7f69ee55feb12de0d2f5c472
authorbostic <bostic>
Thu, 23 Dec 1993 10:11:49 +0000 (23 10:11 +0000)
committerbostic <bostic>
Thu, 23 Dec 1993 10:11:49 +0000 (23 10:11 +0000)
treea4aacb236bf94c8963bc179ceaa1e9614189db14
parent38ddd3d8341f723e49064f62f31b648a52a27c3d
don't change the original string, undo won't work so good
test case was that :s/x/\u&/ couldn't be undone with 'u'
ex/ex_subst.c