Clean up some markup cruft. A number of the macros that take no
parameters (like \UNIX) are commonly entered using an empty group to
separate the markup from a following inter-word space; this is not
needed when the next character is punctuation, or the markup is the
last thing in the enclosing group. These cases were marked
inconsistently; the empty group is now *only* used when needed.
diff --git a/Doc/lib/libcgi.tex b/Doc/lib/libcgi.tex
index 2a665fb..83b6f1f 100644
--- a/Doc/lib/libcgi.tex
+++ b/Doc/lib/libcgi.tex
@@ -405,7 +405,7 @@
alphanumeric characters, dashes, underscores, and periods.
-\subsection{Installing your CGI script on a Unix system}
+\subsection{Installing your CGI script on a \UNIX\ system}
Read the documentation for your HTTP server and check with your local
system administrator to find the directory where CGI scripts should be