On Tue, Nov 01, 2016 at 08:53:22AM -0700, William F Hammond wrote: > Unfortunately, latex.ltx (in the latex base) contains: \let\sp=^
Ah. I did not know. Thanks. Sorry for the off-topic quation: Does anyone know why? What is it used for? > In principle, with LaTeX \newcommand should be used instead of \def and > that should trap the prior usage. Yeah, I know. I am just too lazy to type the extra seven letters :-) And most of the time, I want to override the obscure default which is not used anyway. Besides, \renewcommand/\newcommand can be rather annoying when you have to switch when certain packages are added or removed. > But, alas, \renewcommand does not > get beyond this issue with tex4ht, which I think must be a bug. It has been previously been claimed on this list that the objective of tex4ht is to produce the same visual output in HTML as is ordinarily produced in PDF/DVI. If that's the objective, then this is a bug, but clearly it is ambitious. -- :-- Hans Georg