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mu4e: add mu4e--plist-get helper
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@ -211,6 +211,13 @@ Does a local-exit and does not return."
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;;; Reading user input
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(defun mu4e--plist-get (lst prop)
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"Get PROP from plist LST and raise an error if not present."
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(or (plist-get lst prop)
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(if (plist-member lst prop)
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nil
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(mu4e-error "Missing property %s in %s" prop lst))))
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(defun mu4e--read-char-choice (prompt choices)
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"Read and return one of CHOICES, prompting for PROMPT.
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Any input that is not one of CHOICES is ignored. This is mu4e's
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