diff --git a/Doc/lib/libregex.tex b/Doc/lib/libregex.tex
index 91f3a035728..9766c2cb308 100644
--- a/Doc/lib/libregex.tex
+++ b/Doc/lib/libregex.tex
@@ -228,6 +228,10 @@ expressions.)
   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
diff --git a/Doc/libregex.tex b/Doc/libregex.tex
index 91f3a035728..9766c2cb308 100644
--- a/Doc/libregex.tex
+++ b/Doc/libregex.tex
@@ -228,6 +228,10 @@ expressions.)
   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