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/libfnmatch.tex b/Doc/lib/libfnmatch.tex
index 8ef0fee..fc4b97a 100644
--- a/Doc/lib/libfnmatch.tex
+++ b/Doc/lib/libfnmatch.tex
@@ -19,7 +19,7 @@
   \lineii{[!\var{seq}]}{matches any character not in \var{seq}}
 \end{tableii}
 
-Note that the filename separator (\code{'/'} on \UNIX{}) is \emph{not}
+Note that the filename separator (\code{'/'} on \UNIX) is \emph{not}
 special to this module.  See module
 \refmodule{glob}\refstmodindex{glob} for pathname expansion
 (\refmodule{glob} uses \function{fnmatch()} to match pathname