repc should be able to use tab characters as a normal whitespace

repc fails parsing a PROP with Tabs as delimiter:

nextToken loop, line = 8 line position = 52 next 5 characters = "
tPROP"
Match candidates:
    enum_param \tPROP
 *  prop \tPROP(WindowState\t\tmystat)
consumeRule: 7 Newlines
consumeRule: 60 Stop
consumeRule: 62 Enum
consumeRule: 34 ClassType
consumeRule: 67 Prop
"PROP: Invalid property declaration: WindowState\t\tmystat"
repc: LocalInterface\simple.rep:8: error: PROP: Invalid property declaration: WindowState                mystat