Add XML entities

Change-Id: Ib22e51ec8427e0af23a9dcf83c01e6e16837c91e
diff --git a/src/entities.xfst b/src/entities.xfst
new file mode 100644
index 0000000..92430ef
--- /dev/null
+++ b/src/entities.xfst
@@ -0,0 +1,5 @@
+define XMLentitiesDec ["#" Digit Digit+ ];
+define XMLentitiesHex ["#" ["x"|"X"] HexLetter HexLetter+ ];
+define XMLentitiesStr [[[AsciiLetter .o. Caseinsensitive].l | Digit | "_" | "-" ]+ ];
+
+read regex ["&" [XMLentitiesDec|XMLentitiesHex|XMLentitiesStr] ";"];
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