Consistency: "{\bf ...}" ==> "\strong{...}"
"{\em ...}" ==> "\emph{...}"
Not at all sure what to do with "{\rm ...}".
Leaving it for now.
diff --git a/Doc/libfuncs.tex b/Doc/libfuncs.tex
index 36582da..6d1cbce 100644
--- a/Doc/libfuncs.tex
+++ b/Doc/libfuncs.tex
@@ -393,8 +393,8 @@
\code{fopen()}: \var{filename} is the file name to be opened,
\var{mode} indicates how the file is to be opened: \code{'r'} for
reading, \code{'w'} for writing (truncating an existing file), and
- \code{'a'} opens it for appending (which on {\em some} \UNIX{}
- systems means that {\em all} writes append to the end of the file,
+ \code{'a'} opens it for appending (which on \emph{some} \UNIX{}
+ systems means that \emph{all} writes append to the end of the file,
regardless of the current seek position).
Modes \code{'r+'}, \code{'w+'} and
\code{'a+'} open the file for updating, provided the underlying