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author | Karl Berry <karl@freefriends.org> | 2021-08-27 22:42:05 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-08-27 22:42:05 +0000 |
commit | eeb7f50af3eaecaf525bfdb721b837386ceb9935 (patch) | |
tree | 7f18c91a76e29970f6c361b17eea0a6db002989f /Master/texmf-dist/doc/latex/l3kernel/source3body.tex | |
parent | ed2f495bcd8d0143ff2053a21ac19555fd477846 (diff) |
l3 (28aug21)
git-svn-id: svn://tug.org/texlive/trunk@60338 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/latex/l3kernel/source3body.tex')
-rw-r--r-- | Master/texmf-dist/doc/latex/l3kernel/source3body.tex | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/l3kernel/source3body.tex b/Master/texmf-dist/doc/latex/l3kernel/source3body.tex index 946f7a4abca..a2e87856bd7 100644 --- a/Master/texmf-dist/doc/latex/l3kernel/source3body.tex +++ b/Master/texmf-dist/doc/latex/l3kernel/source3body.tex @@ -328,6 +328,15 @@ following variable types: \item[\texttt{regex}] Regular expression. \end{description} +\subsection{Scratch variables} + +Modules focussed on variable usage typically provide four scratch variables, +two local and two global, with names of the form +\cs{\meta{scope}_tmpa_\meta{type}}/\cs{\meta{scope}_tmpb_\meta{type}}. These +are never used by the core code. The nature of \TeX{} grouping means that as +with any other scratch variable, these should only be set and used with no +intervening third-party code. + \subsection{Terminological inexactitude} A word of warning. In this document, and others referring to the \pkg{expl3} |