bug#44141: 26.3; doc of `default-boundp' and "void" variable values

[Lars Ingebrigtsen]

Drew Adams <drew.adams@oracle.com> writes:

> The doc of `default-boundp' could be improved by saying explicitly what
> it means for a symbol's default value to be "void".  This is not done
> anywhere, AFAICT - "void" is undefined.  And for Lisp, especially,
> there's some risk of confusion with the value `nil'.
>
> 1. The Elisp manual is pretty good on `default-boundp', but saying
> something about what "void" means would help.

I think "void" should be clear enough for somebody reading the lispref
manual.

> 2. The doc string is not so helpful - you really need to read the short
> paragraph in the manual to understand it, I think.  Consider beefing up
> the doc string with something like what is said in the manual - it's
> short and explanatory.

Yeah, the doc string is somewhat incomprehensible.  I've now clarified
in Emacs 28.

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   bloggy blog: http://lars.ingebrigtsen.no