document \mapentry with label option

docs.tex

@@ -376,6 +376,17 @@ And charts about roll successes like this:
 \end{rollchart}
 
 
+\subsection{Making Maps}
+
+Make all maps under some subsection, then start the individual map entry like this: \verb"\mapentry[docGift]{Documentation Giftschrank}".
+
+The first (optional) argument, will become the label.
+The second is the area's title.
+
+\mapentry[docGift]{Documentation Giftschrank}
+
+You can refer to it with \verb"\nameref{docGift}", such as ``see room number \ref{docGift}''.
+
 \end{multicols}
 
 \begin{multicols}{2}