[texhax] Ideas/lists of developer libraries of TeX Macros?

[Philip Taylor (Webmaster, Ret'd)]

Herbert Schulz wrote:

> Howdy,
>
> I thought the OP was talking about Plain TeX. I was going to suggest LaTeX which has lots of tools! :-)

I think Uwe was talking about the "L3:String_trim ()" style library
rather than about LaTeX per se.

** Phil.