Adjust the module synopsis to avoid margin overruns in the PDF format.

Doc/lib/libcalendar.tex

@@ -2,7 +2,7 @@
          General calendar-related functions}
 
 \declaremodule{standard}{calendar}
-\modulesynopsis{General functions for working with the calendar,
+\modulesynopsis{Functions for working with calendars,
                 including some emulation of the \UNIX\ \program{cal}
                 program.}
 \sectionauthor{Drew Csillag}{drew_csillag@geocities.com}

Doc/lib/librobotparser.tex

@@ -2,10 +2,8 @@
          Parser for robots.txt}
 
 \declaremodule{standard}{robotparser}
-\modulesynopsis{Accepts as input a list of lines or URL that refers to a
-                robots.txt file, parses the file, then builds a
-                set of rules from that list and answers questions
-                about fetchability of other URLs.}
+\modulesynopsis{Loads a \protect\file{robots.txt} file and
+                answers questions about fetchability of other URLs.}
 \sectionauthor{Skip Montanaro}{skip@mojam.com}
 
 \index{WWW}