Document \citetitle and \programopt.

Doc/doc/doc.tex

@@ -366,6 +366,11 @@ distribution, to create or maintain whole documents or sections.
       string value.  The character will be typeset as with \macro{samp}.
     \end{macrodesc}
 
+    \begin{macrodesc}{citetitle}{\op{url}\p{title}}
+      A title for a referenced publication.  If \var{url} is specified,
+      the title will be made into a hyperlink when formatted as HTML.
+    \end{macrodesc}
+
     \begin{macrodesc}{class}{\p{name}}
       A class name; a dotted name may be used.
     \end{macrodesc}
@@ -486,6 +491,10 @@ distribution, to create or maintain whole documents or sections.
       and Windows programs.
     \end{macrodesc}
 
+    \begin{macrodesc}{programopt}{\p{option}}
+      A command-line option to an executable program.
+    \end{macrodesc}
+
     \begin{macrodesc}{refmodule}{\op{key}\p{name}}
       Like \macro{module}, but create a hyperlink to the documentation 
       for the named module.  Note that the corresponding