Document the new get_syntax() function.
diff --git a/Doc/libregex.tex b/Doc/libregex.tex
index 91f3a03..9766c2c 100644
--- a/Doc/libregex.tex
+++ b/Doc/libregex.tex
@@ -228,6 +228,10 @@
more information.
\end{funcdesc}
+\begin{funcdesc}{get_syntax}{}
+ Returns the current value of the syntax flags as an integer.
+\end{funcdesc}
+
\begin{funcdesc}{symcomp}{pattern\optional{\, translate}}
This is like \code{compile}, but supports symbolic group names: if a
parenthesis-enclosed group begins with a group name in angular