Bug with verbatim in framed box

[Andrew Parsloe]

On 7/04/2020 7:38 pm, Jürgen Spitzmüller wrote:
> Am Dienstag, den 07.04.2020, 08:48 +0200 schrieb Daniel:
>> On 2020-04-06 23:32, Andrew Parsloe wrote:
>>> When I put a verbatim environment inside a Box (Minipage, simple
>>> frame)
>>> I get a Latex error:
>>>
>>> Argument of \@xverbatim has an extra }
>>>
>>> which then produces various later errors, and the document doesn't
>>> compile. The other options, including double frame, work fine. This
>>> is
>>> with both 2.3.4.4 versions (64 bit and 32 bit) on windows 10.
>>>
>>> Andrew
>>>
>> I don't know much about this but it might be because it appears in
>> the
>> argument of another command (\fbox).
>>
>> "This is why the LaTeX book insists that verbatim commands must not
>> appear in the argument of any other command; they aren’t just
>> fragile,
>> they’re quite unusable in any “normal” command parameter, regardless
>> of
>> \protection." (https://texfaq.org/FAQ-verbwithin)
> Yes, exactly. Good news is that this will work in LyX 2.4, with the
> help of the cprotect package.
>
> Jürgen

Ah, LyX 2.4 ... not so very long ago on this list JMarc described LyX 
(presumably LyX 2.3) as a platypus. I have the feeling LyX 2.4 is a more 
mythical creature -- perhaps a unicorn.

Andrew


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