The current version of libroxml (2.1.2) contains a bug in the attribute handling and files to properly handle attributes whose values are single-quoted. We work around this issue by using double quotes.
@@ -51,7 +51,7 @@
help="A.B.C.D[/mask] or any"/>
<!--=======================================================-->
<PTYPE name="PORT_MASK_ANY"
- pattern='^(([0-9]+(/0x[0-9a-f]+)?)|(any))$'
+ pattern="^(([0-9]+(/0x[0-9a-f]+)?)|(any))$"
help="Port[/mask]" />
<PTYPE name="SEQ"