Re: customize-themes doesn't allow backquote or :inherit

[Stefan Monnier]

>> However, it seems that the load-theme function in custom.el has some
>> code that checks for the presence of 'quote and throws a 'Unsafe
>> expression in theme settings' error if I try to use ` instead of '.
>> 
>> Being an elisp newbie, my attempts to bypass is with various
>> combinations of eval, apply, and `' ended in failure.
>> 
>> Is there a way to use variables in custom-theme-set-faces? Or is that
>> check really need to be that strict? Maybe backquote would be
>> acceptable as well?

> This is worth discussing.

> Currently, the code only evals custom-theme-set-variables/faces if its
> arguments are quoted.  I was concerned about security implications; the
> worry is that users may not be aware that loading a theme can execute
> arbitrary code.

Why not use `unsafep'?


        Stefan