Umlaut-Problem behoben

documents/GeoTopo/shortcuts.sty

@@ -79,7 +79,7 @@
 \DeclareMathOperator{\grad}{grad}
 \DeclareMathOperator{\Perm}{Perm}
 \DeclareMathOperator{\Sym}{Sym}
-\DeclareMathOperator{\Homoo}{Homöo}
+\DeclareMathOperator{\Homoo}{\textnormal{Homöo}}
 \DeclareMathOperator{\Diffeo}{Diffeo}
 \DeclareMathOperator{\conv}{conv}