5
votes
1answer
254 views

Is it possible to remove length, counter, dim, etc that have been declared?

Let's see the following screenshot taken from an answer of Efficient ways to anonymize a document and the given comment. Is it possible to remove length, counter, dim, etc, that have been declared ...
10
votes
1answer
736 views

Why do \setcounter and \addtocounter commands have global effect, while \setlength and \addtolength commands obey the normal scoping rules?

The \setcounter and \addtocounter commands have global effect, while the \setlength and \addtolength commands obey the normal scoping rules. Why were they designed like this? Why are ...
4
votes
1answer
231 views

Length needs backslash but counter does not, why?

\documentclass{minimal} \parindent=0sp \newlength{\Length} \setlength{\Length}{1in} \newcounter{Count} \setcounter{Count}{10} \begin{document} \the\Length \theCount \end{document} Length needs ...
9
votes
3answers
373 views

Making register declarations local, Undefining a register (count, toks, etc.)

Is it possible to make \newcount, \newtoks, etc. respect grouping, so that, e.g., \newcount\temp\temp=2{\newcount\temp\temp=1}\showthe\temp gives 2 (instead of 0)? Relatedly, is it possible to ...