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bug#37415: Asserting failure setting frame parameters to non-fixnum valu


From: martin rudalics
Subject: bug#37415: Asserting failure setting frame parameters to non-fixnum values in early-init.el
Date: Wed, 18 Sep 2019 09:45:59 +0200

>> This is with an empty init.el, and the following early-init.el:
>>
>> D:\...\.emacs.d> type early-init.el
>> (setq default-frame-alist '((left . (+ 0))))
>>
>> D:\...\.emacs.d> emacs.exe
>>
>> lisp.h:1231: Emacs fatal error: assertion failed: FIXNUMP (a)
>
> Is this use case important enough to support?  IOW, would just
> signaling an error do the job here?  If not, please explain why did
> you need to set default-frame-alist in the early-init file.

Wasn't setting 'default-frame-alist' (or 'initial-frame-alist') one of
the major motivations for adding the early-init file feature?  IIRC
it's used to suppress temporarily showing the initial frame at an
unwanted position or with unwanted size.  So IMHO this should never
fail.

martin





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