[Bug #732124] Clarify .pos, .endpos by saying 'method' instead of 'function'

Also, put match() description before search(); search() refers to match()

Doc/lib/libre.tex

@@ -638,18 +638,6 @@ ignored.
 Compiled regular expression objects support the following methods and
 attributes:
 
-\begin{methoddesc}[RegexObject]{search}{string\optional{, pos\optional{,
-                                        endpos}}}
-  Scan through \var{string} looking for a location where this regular
-  expression produces a match, and return a
-  corresponding \class{MatchObject} instance.  Return \code{None} if no
-  position in the string matches the pattern; note that this is
-  different from finding a zero-length match at some point in the string.
-
-  The optional \var{pos} and \var{endpos} parameters have the same
-  meaning as for the \method{match()} method.
-\end{methoddesc}
-
 \begin{methoddesc}[RegexObject]{match}{string\optional{, pos\optional{,
                                        endpos}}}
   If zero or more characters at the beginning of \var{string} match
@@ -679,6 +667,18 @@ attributes:
   \code{\var{rx}.match(\var{string}[:50], 0)}.
 \end{methoddesc}
 
+\begin{methoddesc}[RegexObject]{search}{string\optional{, pos\optional{,
+                                        endpos}}}
+  Scan through \var{string} looking for a location where this regular
+  expression produces a match, and return a
+  corresponding \class{MatchObject} instance.  Return \code{None} if no
+  position in the string matches the pattern; note that this is
+  different from finding a zero-length match at some point in the string.
+
+  The optional \var{pos} and \var{endpos} parameters have the same
+  meaning as for the \method{match()} method.
+\end{methoddesc}
+
 \begin{methoddesc}[RegexObject]{split}{string\optional{,
                                        maxsplit\code{ = 0}}}
 Identical to the \function{split()} function, using the compiled pattern.
@@ -812,15 +812,16 @@ Note that if \var{group} did not contribute to the match, this is
 \end{methoddesc}
 
 \begin{memberdesc}[MatchObject]{pos}
-The value of \var{pos} which was passed to the
-\function{search()} or \function{match()} function.  This is the index
-into the string at which the RE engine started looking for a match.
+The value of \var{pos} which was passed to the \function{search()} or
+\function{match()} method of the \class{RegexObject}.  This is the
+index into the string at which the RE engine started looking for a
+match.
 \end{memberdesc}
 
 \begin{memberdesc}[MatchObject]{endpos}
-The value of \var{endpos} which was passed to the
-\function{search()} or \function{match()} function.  This is the index
-into the string beyond which the RE engine will not go.
+The value of \var{endpos} which was passed to the \function{search()}
+or \function{match()} method of the \class{RegexObject}.  This is the
+index into the string beyond which the RE engine will not go.
 \end{memberdesc}
 
 \begin{memberdesc}[MatchObject]{lastindex}