Re: LyX2.4.4 Problem with textquoteright when used as an apostrophe in a box containing a Listing

Am 16.12.25 um 13:16 schrieb Gerhard Gsänger via lyx-users:
>
>
>> Am 12.12.2025 um 20:06 schrieb Gerhard Gsänger via lyx-users 
>> <[email protected]>:
>>
>> Hi
>> I’m using LyX2.4.4 on my Macbook M2 with Tahoe 26.1.
>>
>> Attached is a small LyX example, demonstration the issue.
>>
>> When I copy the following sentence from a website and paste it into a 
>> LyX documents the apostrophe (textquoteright) used in „doesn’t“ is 
>> causing an error when viewing the doc as PDF (LuaTex):
>>
>> CTAD doesn’t (currently) work with function parameters.
>>
>> The details are explained in the attached LyX file. The error happens 
>> only when this textquoteright is used inside a box containing the 
>> text plus a Listing box.
>> What can I improve?
>>
>>
>> Gerd
>>
>>
>>
>> <textquoteright.lyx>--
>> lyx-users mailing list
>> [email protected]
>> https://lists.lyx.org/mailman/listinfo/lyx-users
>
>
> *Update*: I would like to add a better description, some assumptions 
> regarding cause und a proposed workaround.
>
>
> *Subject:* LuaLaTeX crashes on typographic quotes inside boxes 
> containing listings
>
>
> *Description:*
>
>
> In LyX 2.4.4, when a document contains *boxes* (e.g., Simple Frame) 
> that include *both ordinary text with typographic quotation marks* (‘ 
> U+2018, ’ U+2019, “ U+201C, ” U+201D) *and a listings environment*, 
> compiling with *LuaLaTeX* produces errors such as:
>
>
> Undefined control sequence.
>
> doesn\T
>
> 1\textquoteright t ...
>
>
> •The error *does not occur* in boxes that contain only text, nor in 
> normal paragraphs.
>
> •LyX editor displays the typographic quotes correctly.
>
> •PDF output may appear correct depending on font ligatures, but 
> LuaLaTeX fails during compilation when the listing is present in the 
> same box as typographic quotes.
>
>
> *Not a LyX-specific issue:*
>
> •A *plain LaTeX file* containing the same box + listing + typographic 
> quotes exhibits the *exact same LuaLaTeX error*.
>
> •Compiling the same file with standard pdfLaTeX produces no error.
>
> •This confirms that the issue is due to *LuaLaTeX’s handling of 
> Unicode typographic quotes in fragile environments*, not LyX itself.
>

It makes no sense to use T1 encoding fonts together with lualatex.
At least enable Document->Settings->Fonts->Don't use TeX fonts
Then your example works.

However, package listings cannot handle characters above 255 (2 byte chars).
In this case use package minted instead.

Herbert


>
> *Cause:*
>
> •LuaLaTeX attempts to expand Unicode typographic quotes to LaTeX 
> commands (e.g., \textquoteright) inside *fragile box/listing 
> combinations*, which is not allowed, causing compilation errors.
>
>
> *Workarounds:*
>
> 1.Replace typographic quotes with ASCII ' or " before pasting into boxes.
>
> 2.Or, add the following macro to the LaTeX preamble to convert all 
> typographic quotes to ASCII *at compile time*:
>
>
> \AtBeginDocument{%
>
> \catcode`’=\active \protected\def’{'}%
>
> \catcode`‘=\active \protected\def‘{'}%
>
> \catcode`“=\active \protected\def“{"}%
>
> \catcode`”=\active \protected\def”{"}%
>
> }
>
>
> •Ensures LuaLaTeX compiles successfully while retaining typographic 
> appearance in the PDF.
>
>
> *Steps to reproduce:*
>
> 1.Create a LyX 2.4.4 document (or plain LaTeX file).
>
> 2.Insert a Simple Frame box (or minipage/tcolorbox).
>
> 3.Inside the box, add:
>
> •A text string containing typographic quotes.
>
> •A listings environment with code.
>
> 4.Compile using LuaLaTeX.
>
> 5.Observe the “Undefined control sequence” error related to 
> \textquoteright.
>
> 6.Compile with standard pdfLaTeX: no error occurs.
>
>
>

-- 
lyx-users mailing list
[email protected]
https://lists.lyx.org/mailman/listinfo/lyx-users