bug#28402: 25.2; shr.el uses shr-tag-img despite set shr-external-rendering-functions

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> -        (cond (external
>> -               (funcall external dom))
>> -              ((fboundp function)
>> -               (funcall function dom))
>> -              (t
>> -               (shr-generic dom)))
>> +    (shr-indirect-call tag-name dom)

[...]

> Wouldn't reverting it make the entire change rather pointless?

No, the other calls to shr-indirect are fine, and was what was missing.

> If the issue is with stack usage, we could increase the stack when
> shr-descend is called.  As for speed, the old code had such an
> indirection as well, albeit via funcall, no?

The old call calls virtually always ends up with

(funcall function dom)

The new code calls shr-indirect-call which will will then 

(funcall function dom)

So one extra function call for each node.

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