From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- macros/latex/contrib/fragments/checklab.tex | 41 +++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 macros/latex/contrib/fragments/checklab.tex (limited to 'macros/latex/contrib/fragments/checklab.tex') diff --git a/macros/latex/contrib/fragments/checklab.tex b/macros/latex/contrib/fragments/checklab.tex new file mode 100644 index 0000000000..9799a485b8 --- /dev/null +++ b/macros/latex/contrib/fragments/checklab.tex @@ -0,0 +1,41 @@ + % Making those `Label(s) have changed\dots' messages more explicit +% +% The \LaTeX{} kernel produces the messages when something, while the +% |.aux| file is being scanned (after the \cs{AtEndDocument} tokens +% have been executed), sets the \cs{if@tempswa} switch with the +% command \cs{@tempswatrue}. +% +% (This fact can be used by packages, such as my |footmisc.sty|, to +% piggy-back on the message; but it's nice in that circumstance and +% others to be sure where the message is coming from.) +% +% This is a jiffy patch to the kernel so that it produces a +% (\cs{typeout}) message for each label \emph{it} thinks has changed. +% +% Usage: Incorporate this code into a package or class file, or +% \input this file from a package or class file, or +% \makeatletter \input{checklab} \makeatother in your document +% preamble +% +% This software jiffy is placed in the public domain. Do with it as +% you wish, though I have to say I would prefer you not to claim it +% as your own (otoh, it's the product of a twisted mind, so probably +% not an attractive thing to claim). +% +% Robin Fairbairns (rf10@cl.cam.ac.uk) +% Produced in this form 1999/01/15 +% +\def\@testdef #1#2#3{% + \def\reserved@a{#3}% + \expandafter \ifx \csname #1@#2\endcsname \reserved@a + \else + \@tempswatrue + \typeout{label change: #1@#2 was + \expandafter \ifx \csname #1@#2\endcsname \relax + unset + \else + \csname#1@#2\endcsname\space + \fi + now #3}% + \fi +} -- cgit v1.2.3