(libparser.tex): Added note that the line number for a terminal token

	indicates the line on which the token ends rather than starts
	(a side effect of interpreting the parse tree nodes directly).
	Maybe I'll fix this for Python 2.0.

Doc/lib/libparser.tex

@@ -166,8 +166,9 @@ tuple representation and converting that to nested lists.
 
 If \code{\var{line_info}} is true, line number information will be
 included for all terminal tokens as a third element of the list
-representing the token.  This information is omitted if the flag is
-false or omitted.
+representing the token.  Note that the line number provided specifies
+the line on which the token \emph{ends\/}.  This information is
+omitted if the flag is false or omitted.
 \end{funcdesc}
 
 \begin{funcdesc}{ast2tuple}{ast\optional{\, line_info\code{ = 0}}}

Doc/libparser.tex

@@ -166,8 +166,9 @@ tuple representation and converting that to nested lists.
 
 If \code{\var{line_info}} is true, line number information will be
 included for all terminal tokens as a third element of the list
-representing the token.  This information is omitted if the flag is
-false or omitted.
+representing the token.  Note that the line number provided specifies
+the line on which the token \emph{ends\/}.  This information is
+omitted if the flag is false or omitted.
 \end{funcdesc}
 
 \begin{funcdesc}{ast2tuple}{ast\optional{\, line_info\code{ = 0}}}