Added some links to the cmd_line_parser_option.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403402

docs/docs/parsing.xml

@@ -393,7 +393,9 @@
          <file>dlib/cmd_line_parser.h</file>
          <spec_file>dlib/cmd_line_parser/cmd_line_parser_kernel_abstract.h</spec_file>
          <description>
-            This object allows you to easily parse a command line.         
+            This object allows you to easily parse a command line.      Note that the
+            documentation for the <a href="dlib/interfaces/cmd_line_parser_option.h.html">cmd_line_parser_option</a>
+            (the object returned by the parser's .option() function) is in a separate file.
          </description>
          
          <examples>

docs/docs/term_index.xml

@@ -874,6 +874,7 @@
          <term link="parsing.html#utf8_uifstream" name="basic_utf8_ifstream"/>
          <term file="parsing.html" name="base64"/>
          <term file="parsing.html" name="cmd_line_parser"/>
+         <term file="dlib/interfaces/cmd_line_parser_option.h.html" name="cmd_line_parser_option"/>
          <term link="parsing.html#cmd_line_parser" name="command line parsing"/>
          <term file="parsing.html" name="config_reader"/>
          <term link="parsing.html#config_reader" name="config file parser"/>