summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/latex/tlc2/A-1-6.ltx
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/doc/latex/tlc2/A-1-6.ltx')
-rw-r--r--Master/texmf-dist/doc/latex/tlc2/A-1-6.ltx29
1 files changed, 29 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/tlc2/A-1-6.ltx b/Master/texmf-dist/doc/latex/tlc2/A-1-6.ltx
new file mode 100644
index 00000000000..2ad80f8011d
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/tlc2/A-1-6.ltx
@@ -0,0 +1,29 @@
+%%
+%% The LaTeX Companion, 2ed (second printing August 2004)
+%%
+%% Example A-1-6 on page 846.
+%%
+%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
+%% Johannes Braams, David Carlisle, and Chris Rowley
+%%
+%% It may be distributed and/or modified under the conditions
+%% of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%%
+%% See http://www.latex-project.org/lppl.txt for details.
+%%
+
+\documentclass{ttctexa}
+\pagestyle{empty}
+\setcounter{page}{6}
+\setlength\textwidth{183.0pt}
+\StartShownPreambleCommands
+\newcommand\lvec{}
+\newcommand\DEFlvec[2]{\renewcommand\lvec[1][#2]%
+ {\ensuremath{#1_1+\cdots + #1_{##1}}}}
+\DEFlvec{x}{n} % initial definition
+\StopShownPreambleCommands
+\begin{document}
+Default: $\lvec \neq \lvec[k]$ \par
+\DEFlvec{y}{i} Now: $\lvec \neq \lvec[k]$
+\end{document}