bug#30489: 26.0.91; [PATCH] Data associated with json-readtable-error not a list

[Noam Postavsky]

"Basil L. Contovounesios" <contovob@tcd.ie> writes:

> -    `(cond ,@res (t (signal 'json-readtable-error ,char)))))
> +    `(cond ,@res (t (signal 'json-readtable-error ,(list char))))))

> When signalling json-readtable-error, the macro json-readtable-dispatch
> passes the unrecognised character as error data verbatim, rather than as
> a list.  Attached is a patch which fixes this.

Should this be applied to emacs-26?  It seems to fix a regression
relative to Emacs 25 (where this error just had `nil' as the data) and
the patch looks safe enough.