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bug#40431: 27.0.90; Can't edebug cl-defuns with &aux destructuring
From: |
Philipp Stephani |
Subject: |
bug#40431: 27.0.90; Can't edebug cl-defuns with &aux destructuring |
Date: |
Wed, 10 Jun 2020 15:43:03 +0200 |
Am Mi., 10. Juni 2020 um 13:32 Uhr schrieb Philipp Stephani
<p.stephani2@gmail.com>:
>
> Am Sa., 4. Apr. 2020 um 18:19 Uhr schrieb Philipp Stephani
> <p.stephani2@gmail.com>:
> >
> >
> > Insert into *scratch*:
> >
> > (cl-defun foo (&aux ((a . b) '(1 . 2)))
> > (list a b))
> >
> > Now try to edebug this function (move point into it, hit C-u C-M-x).
> > This gives an error:
> >
> > Debugger entered--Lisp error: (invalid-read-syntax "Expected one of" arg
> > nil)
>
> My guess is that in the specification
>
> ["&aux" &rest &or (symbolp &optional def-form) symbolp]
>
> we should replace 'symbolp' with 'cl-macro-arg'. This might cause
> other issues, however, as that specification is probably no longer
> decidable.
Actually, &optional uses the same thing, which appears to work fine,
so I went ahead and implemented this with commit
73be4d1ed5b190bd93e9bad6aebe43d0dea0d7d3.