mu4e: don't use purecopy, it's useless
Don't use `purecopy`, it's useless outside emacs itself, as pointed out by cpitclaudel. Fixes issue #729.
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@ -48,7 +48,7 @@ a length cookie:
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a length cookie:
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<`mu4e~cookie-pre'><length-in-hex><`mu4e~cookie-post'>.")
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(defconst mu4e~cookie-matcher-rx
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(purecopy (concat mu4e~cookie-pre "\\([[:xdigit:]]+\\)" mu4e~cookie-post))
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(concat mu4e~cookie-pre "\\([[:xdigit:]]+\\)" mu4e~cookie-post)
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"Regular expression matching the length cookie.
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Match 1 will be the length (in hex).")
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