Lots of small corrections by Andrew Kuchling (plus all new rotor docs)
diff --git a/Doc/libregex.tex b/Doc/libregex.tex
index 13b3e20..f3df684 100644
--- a/Doc/libregex.tex
+++ b/Doc/libregex.tex
@@ -41,7 +41,7 @@
anywhere!).
\end{funcdesc}
-\begin{funcdesc}{compile}{pattern\, translate}
+\begin{funcdesc}{compile}{pattern\optional{\, translate}}
Compile a regular expression pattern into a regular expression
object, which can be used for matching using its \code{match} and
\code{search} methods, described below. The optional
@@ -82,7 +82,7 @@
more information.
\end{funcdesc}
-\begin{funcdesc}{symcomp}{pattern\, translate}
+\begin{funcdesc}{symcomp}{pattern\optional{\, translate}}
This is like \code{compile}, but supports symbolic group names: if a
parentheses-enclosed group begins with a group name in angular
brackets, e.g. \code{'\e(<id>[a-z][a-z0-9]*\e)'}, the group can
@@ -108,7 +108,7 @@
Compiled regular expression objects support these methods:
\renewcommand{\indexsubitem}{(regex method)}
-\begin{funcdesc}{match}{string\, pos}
+\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
@@ -122,7 +122,7 @@
is to start.
\end{funcdesc}
-\begin{funcdesc}{search}{string\, pos}
+\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