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bug#24913: 25.1.50; Emacs accepts undocumented and confusing combination


From: Gemini Lasswell
Subject: bug#24913: 25.1.50; Emacs accepts undocumented and confusing combinations of &optional and &rest in argument lists
Date: Thu, 10 Nov 2016 08:56:36 -0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (darwin)

> Philipp Stephani <p.stephani2@gmail.com> schrieb am Mi., 9. Nov. 2016 um 
> 22:19 Uhr:
>
> Here's a patch that detects such argument lists. 
>
A more general solution would be to have the byte compiler try to match
Edebug specs, and issue a warning or an error if it fails. That would
help find errors in the invocations of all macros, not just ones with
argument lists.





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