bug#65338: 30.0.50; bibtex: Long url field value and bibtex-font-lock-url-regexp

[Visuwesh]

[புதன் ஆகஸ்ட் 16, 2023] Roland Winkler wrote:

> On Wed, Aug 16 2023, Visuwesh wrote:
>> When I fill the entry with C-c C-q, url lines becomes
>>
>>       url           =
>>                       
>> {https://cpcb.nic.in/displaypdf.php?id=cGxhc3RpY3dhc3RlL1BsYXNtYS1QeXJvbHlzaXMtZmluYWwtUmVwb3J0LTIxLTExLTE2LnBkZg}
>
> The patch you propose may be reasonable, temporary workaround.  The
> deeper, not all trivial bug is #45720 that I filed because of the above
> linebreak introduced by fill-region-as-paragraph.

Ah, so the issue is in fill.el...  I could never find a fix myself, I
will patch `bibtex-font-lock-url-regexp' in my local checkout and call
it a day.