4
votes
1answer
80 views

How can I compare the width of a paragraph to 45% of the linewidth?

Here's my pseudo latex code to try and show what I'm trying to do in my memo latex class: \newcommand\headername{%should be the @memoto, or if too long, an abbreviated subject ...
21
votes
5answers
341 views

Test if a given control sequence is a length register

I'm in need of a macro which receives a control sequence as argument and needs to branch if this macro is actually a length (of any kind, e.g. dimen, skip etc.) or "just" a normal macro (including one ...