% $Id$ % Public domain. Originally written by Karl Berry, 2021. % Trivially test \tracingstacklevels (works with initex). % (Run by hand; not included in the make check tests.) % See tracingstacklevels.ch and the pdftex manual for more info. \catcode`\{=1 \catcode`\}=2 \catcode`\#=6 %\tracingcommands=3 % more output if you want to see \tracingmacros=2 % so macro expansion is logged at all \tracingstacklevels=2 % cut off at level 2 \def\a#1{\relax} % arguments since parameter logging is affected too \def\b#1{\a{#1}} \b1 % try \input, which counts as another level for this. % The file expands \b again. \input tracingstacklevel2 \end