comparison Contents @ 2235:4ba83ae8d505 vim73

Do not write an undo file if there is nothing to undo.
author Bram Moolenaar <bram@vim.org>
date Sun, 30 May 2010 17:17:42 +0200
parents 7c8c7c95a865
children 733f0dc510c3 12b829477c60
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