Consistency:  "{\bf ...}" ==> "\strong{...}"
	      "{\em ...}" ==> "\emph{...}"

	      Not at all sure what to do with "{\rm ...}".
	      Leaving it for now.
diff --git a/Doc/lib/libcrypt.tex b/Doc/lib/libcrypt.tex
index d09a2a4..0ec6e80 100644
--- a/Doc/lib/libcrypt.tex
+++ b/Doc/lib/libcrypt.tex
@@ -2,7 +2,7 @@
 \label{module-crypt}
 \bimodindex{crypt}
 
-This module implements an interface to the crypt({\bf 3}) routine,
+This module implements an interface to the crypt(\strong{3}) routine,
 which is a one-way hash function based upon a modified DES algorithm;
 see the \UNIX{} man page for further details.  Possible uses include
 allowing Python scripts to accept typed passwords from the user, or