ntheorem.pdf. - Mirrors.med.harvard.edu

ams-thref
additional optional argument. Thus, the argument values are not processed,
but are output as normal text. Normally, this did not matter since output
hasalready beenfinishedbya\clearpagein\end{document}. For somany
labels, a page gets filled and the output routine is called.
239 \newcommand\org@testdef{}
240 \let\org@testdef\@testdef
241 \def\@testdef#1#2#3{%
242 \org@testdef{#1}{#2}{#3}%
243 \@ifnextchar[{\thm@gobbleopt}{}%
244 }
245 \newcommand\thm@gobbleopt{}
246 \long\def\thm@gobbleopt[#1]{}
Line 242: process the optional argument.
247 }% end of option thref ************************************************
7.1.5 Option amsmath to Thmmarks
Most of the commands are extensions of commands in amsmath.sty.
248 \DeclareOption{amsmath}{% ***************************************************
249 \if@thref
250 \PackageInfo{\basename}{option ‘amsmath’ handling for ‘thref’ loaded}%
if thref is active, the handling of labels in amsmath equations has also to
be adapted.
251 \let\ltx@label\label
keep the handling of \label ... (the one defined above in the thref option).
amsmath implements a special handling of \label inside of displaymath
environments. It is extended to process the optional argument provided be
the thref option:
252 \global\let\thm@df@label@optarg\@empty
253 \def\label@in@display#1{%
254 \ifx\df@label\@empty\else
255 \@amsmath@err{Multiple \string\label’s:
256 label ’\df@label’ will be lost}\@eha
257 \fi
258 \gdef\df@label{#1}%
259 \@ifnextchar[{\thm@label@in@display@optarg}{\thm@label@in@display@noarg}%]
260 }
261 \def\thm@label@in@display@noarg{%
262 \global\let\thm@df@label@optarg\@empty
263 }
264 \def\thm@label@in@display@optarg[#1]{%
265 \gdef\thm@df@label@optarg{#1}%
266 }
44