Work around limitations of the module synopsis table generation to avoid
leaking LaTeX2HTML's internal string munging.

This fixes SF bug #420399.
diff --git a/Doc/lib/libshlex.tex b/Doc/lib/libshlex.tex
index 4ed928c..eecded7 100644
--- a/Doc/lib/libshlex.tex
+++ b/Doc/lib/libshlex.tex
@@ -2,7 +2,7 @@
          Simple lexical analysis}
 
 \declaremodule{standard}{shlex}
-\modulesynopsis{Simple lexical analysis for \UNIX{} shell-like languages.}
+\modulesynopsis{Simple lexical analysis for \UNIX\ shell-like languages.}
 \moduleauthor{Eric S. Raymond}{esr@snark.thyrsus.com}
 \sectionauthor{Eric S. Raymond}{esr@snark.thyrsus.com}