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Re: patch: fix undo doing only one step

There is a special macro with-silent-modifications intended for
temporary changes in a buffer. It takes into account such things as
buffer-undo-list, deactivate-mark, buffer-file-name,
buffer-file-truename, and so on. The buffer file name, for example,
needs to be rebound to nil since otherwise Emacs will check changes in
file and will ask for confirmation before doing the modifications if the
changes have been found.

T. V. Raman wrote:

> Thanks for spotting that. The fix actually belonged in  macro
> ems-set-personality-temporarily -- it's checked in now.

With best regards
Dmitri Paduchikh

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