Consistency: {\it ...} ==> \emph{...}

Doc/lib/libposix.tex

@@ -410,7 +410,7 @@ or other)
 times, in seconds.  The items are: user time, system time, children's
 user time, children's system time, and elapsed real time since a fixed
 point in the past, in that order.  See the \UNIX{}
-manual page {\it times}(2).  (Not on MS-DOS.)
+manual page \emph{times}(2).  (Not on MS-DOS.)
 \end{funcdesc}
 
 \begin{funcdesc}{umask}{mask}

Doc/libposix.tex

@@ -410,7 +410,7 @@ or other)
 times, in seconds.  The items are: user time, system time, children's
 user time, children's system time, and elapsed real time since a fixed
 point in the past, in that order.  See the \UNIX{}
-manual page {\it times}(2).  (Not on MS-DOS.)
+manual page \emph{times}(2).  (Not on MS-DOS.)
 \end{funcdesc}
 
 \begin{funcdesc}{umask}{mask}