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Diffstat (limited to 'Master/texmf-dist/source/eplain/base/test/optional.tex')
-rw-r--r-- | Master/texmf-dist/source/eplain/base/test/optional.tex | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Master/texmf-dist/source/eplain/base/test/optional.tex b/Master/texmf-dist/source/eplain/base/test/optional.tex new file mode 100644 index 00000000000..f7cc917000e --- /dev/null +++ b/Master/texmf-dist/source/eplain/base/test/optional.tex @@ -0,0 +1,30 @@ +% This file is public domain. +% +% Test optional arguments. + +\ifx\undefined\eplain \input eplain \fi + +\catcode`@ = \letter +\def\foo{\@getoptionalarg\finfoo} +\def\finfoo#1{% + \edef\firstarg{\@optionalarg} + \edef\mandatoryarg{#1}% + \@getoptionalarg\finfinfoo +} +\def\finfinfoo{% + The first optional argument is `\firstarg', the mandatory argument + is `\mandatoryarg', and the second optional argument is `\@optionalarg'. + \par +} + +\loggingall +\foo[a {\cite[p.10]{xyz}} b]{mand2} + +\foo{mand} +\foo[opt1]{mand} +\foo{mand}[opt2] +\foo[opt1]{mand}[opt2] +\foo[opt1]{mand} + [opt2 on a separate line] + +\bye |