* include/hbclass.ch
* disabled DECLARE to not generate ignored by compiler noise in .ppo
files
* src/rdd/dbcmd.c
! allow to use dbSetFilter() with string only parameter without
codeblock - Cl*pper compatibility fix.
Cl*pper allows to set text filter without codeblock. In local
RDDs it effectively does nothing and only dbFilter() returns it
but RDDs with automatic filter optimization like CL53/DBFCDX /
COMIX/ClipMore or RDDs working with remote data base servers
may use only text version of filter and ignore or use with
lower priority the codeblock so Harbour has to work like
Cl*pper here.
* src/rdd/workarea.c
* typo in comment
* contrib/rddads/ads1.c
* do not validate empty text filters