StacktraceTop: object_is_instance (object=0x8) GSObjCIsInstance (obj=0x8) -[GSMutableString replaceCharactersInRange:withString:] (self=0x19540e0, _cmd=0x7fc3c8d33380, aRange={location = 0, length = 0}, -[GSTextStorage replaceCharactersInRange:withString:] (self=0x1953f80, _cmd=0x7fc3c8cf3f80, range={location = 0, length = 8}, cache_lookup_string (string=0x1931960,
StacktraceTop: rsInRange: withString: ] (self=0x19540e0, _cmd=0x7fc3c8d3 3380, aRange={location = 0, length = 0}, rsInRange: withString: ] (self=0x1953f80, _cmd=0x7fc3c8cf 3f80, range={location = 0, length = 8}, lookup_ string (string=0x1931960,
object_is_instance (object=0x8)
GSObjCIsInstance (obj=0x8)
-[GSMutableString replaceCharacte
-[GSTextStorage replaceCharacte
cache_