lots of markup nits, most commonly Unix/unix --> \UNIX
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index c7dc68a..0a187e2 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -724,7 +724,7 @@
In addition to the standard \cfunction{fopen()} values \var{mode}
may be \code{'U'} or \code{'rU'}. Python is usually built with universal
newline support; supplying \code{'U'} opens the file as a text file, but
- lines may be terminated by any of the following: the Unix end-of-line
+ lines may be terminated by any of the following: the \UNIX{} end-of-line
convention \code{'\e n'},
the Macintosh convention \code{'\e r'}, or the Windows
convention \code{'\e r\e n'}. All of these external representations are seen as