What is the best way to determine, for two arbitrary input files, if they will result in the same compiled document (disregarding timestamp information and external files)? Context I'm attempting to ...
What are the differences between \mskip and \mkern? The TeXbook writes the following (ch. 18): You can insert math glue into any formula just by giving the command ‘\mskip⟨muglue⟩’. [...] ...
Let's say I have a variable, which may - or may NOT - be a number; how can I handle the cases when it isn't a number, without crashing with "! Missing number, treated as zero." ? In practical terms, ...
I wonder how costly it is in terms of compilations speed and also other terms like memory etc., to store some content in a box and use this box then afterwards only once (or maybe twice). Is the ...