Joseph Wright

We don't have optional data in the arg spec, so it would need a new letter (`w`?)

Or a breaking change to `v`-type

@u-fischer So I better get that PR for `l3cctab` in ...

My point was that semantically `v` is 'verbatim' whereas what's needed here is not. Importantly, you have to worry if the delimiting chars are altered by the catcode table or...

I'll get the `cctab` stuff sorted today or tomorrow if I can, so we can discuss.

@dbitouze A catcode table is a way of having a 'fixed' set of catcode for all chars(*). It means you get a one-token interface for the changes, so '`\c_document_cctab` for...

@Skillmon Good point: one could take the verbatim material and replace tokens. As everything is strictly verbatim, that's probably an easier approach than worrying about catcode setup.

Personally, I don't feel a change is a great plan: we are talking about what is documented, which is clear, and other behaviour is formally undefined. Making a change to...

I've just checked using `l3draw` (using a more accurate FPU): I see the same slight inaccuracy. ```latex \documentclass[border=5pt]{standalone} \usepackage{l3draw} \begin{document} \ExplSyntaxOn \draw_begin: \draw_transform_scale:n { 10 } \draw_path_circle:nn { 0 ,...

@algeboy 'Long-term' is used to mark issues that will not be closed shortly but which shouldn't causing nagging by the automated tools we use. We added an `alt` tag to...