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Re: on helm substantial differences

From: Juri Linkov
Subject: Re: on helm substantial differences
Date: Wed, 18 Nov 2020 22:33:20 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) 
> +- `affix-function': function to prepend/append a prefix/suffix to entries.
> +   Takes one argument (COMPLETIONS) and should return a list
> +   of completions with a completion, its prefix and suffix.

BTW, using `affix-function' also makes it possible to group completions,
then the prefix of the first completion in the group could contain
a group header with group name.
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