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Best Way to Change Code to Use cl-lib

From: Eric James Michael Ritz
Subject: Best Way to Change Code to Use cl-lib
Date: Sat, 15 Dec 2012 12:54:47 -0500
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/17.0 Thunderbird/17.0

I maintain an Emacs package which currently uses cl and flet. With Emacs 24.3 replacing those with cl-lib and cl-flet respectively, what would be the best way to update the code? What I mean is, I want to make the change to cl-flet to be up-to-date with Emacs 24.3, but I do not want it to cause problems for users who have not upgraded their version of Emacs, because I know all of them will not. Is there a preferred way I can (or should) test for the current version and then use the appropriate library/macro? Or should I stick with the obsolete code and just accept the fact that the byte-compiler will give me warnings when using Emacs 24.3? Or is there a better way that I just don’t see?

Thanks in advanced for any help.

-- ejmr 南無妙法蓮華經

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