Your example compiles without error...

PBP246>PBP -P16F88 ZTESTB -V
PicBasic Pro Compiler 2.46, (c) 1998, 2005 microEngineering Labs, Inc.
All Rights Reserved.
Pass 1:
Pass 2:
Code Gen:
Macro Pass:
PM.EXE H:\DATA-R~1\PIC\PBP246\ZTESTB.ASM
PM Assembler 4.07, Copyright (c) 1995, 2004 microEngineering Labs, Inc.
58 words used.