Fixed some stuff that was incorrectly copied from regex.
diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex
index 975bf38..a2bc1fd 100644
--- a/Doc/lib/libre.tex
+++ b/Doc/lib/libre.tex
@@ -227,7 +227,7 @@
equivalent to the set \code{[a-zA-Z0-9_]}.
%
\item[\code{\e W}] Matches any non-alphanumeric character; this is
-equivalent to the set \code{[\^a-zA-Z0-9_]}.
+equivalent to the set \code{[\^ a-zA-Z0-9_]}.
\item[\code{\e Z}]Matches only at the end of the string.
%
@@ -341,12 +341,13 @@
Compiled regular expression objects support the following methods and
attributes:
-\renewcommand{\indexsubitem}{(regex method)}
+\renewcommand{\indexsubitem}{(re method)}
\begin{funcdesc}{match}{string\optional{\, pos}}
- Return how many characters at the beginning of \var{string} match
- the compiled regular expression. Return \code{-1} if the string
- does not match the pattern (this is different from a zero-length
- match!).
+ If zero or more characters at the beginning of \var{string} match
+ this regular expression, return a corresponding
+ \code{Match} object. Return \code{None} if the string does not
+ match the pattern; note that this is different from a zero-length
+ match.
The optional second parameter \var{pos} gives an index in the string
where the search is to start; it defaults to \code{0}. This is not
@@ -357,10 +358,10 @@
\end{funcdesc}
\begin{funcdesc}{search}{string\optional{\, pos}}
- Return the first position in \var{string} that matches the regular
- expression \code{pattern}. Return \code{-1} if no position in the
- string matches the pattern (this is different from a zero-length
- match anywhere!).
+ Scan through \var{string} looking for a location where this regular
+ expression produces a match. 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 second parameter has the same meaning as for the
\code{match} method.