added LSL2 stored procedures

LSL2/STPROC/LISTBOX_CONFIG_VALID.txt

@@ -0,0 +1,35 @@
+SUBROUTINE LISTBOX_CONFIG_VALID(ConvType, DataIo, SubrLabel, ReturnedValue)
+*
+
+$insert logical
+$insert listbox_config_equ
+$insert msg_equates
+declare function msg
+
+equ valid$         to 0    ;* successful
+equ invalid_msg$   to 1    ;* bad data       -   print error message window
+equ invalid_conv$  to 2    ;* bad conversion -          "         "
+equ invalid_nomsg$ to 3    ;* bad but do not print the error message window
+
+status() = Valid$
+begin case
+   case ConvType = 'ICONV'
+        ValidChoices = xlate( 'LISTBOX_CONFIG', SubrLabel, listbox_config_choices$, 'X' )
+        IF SubrLabel = 'POSTCLEANCODE' THEN
+       	 ValidChoices := @VM:'FAB2':@VM:'FAB11'
+       	END
+        locate DataIo in ValidChoices using @vm setting Fpos then
+           ReturnedValue = DataIo
+        end else
+           MsgInfo = ''
+           MsgInfo<mtext$> = DataIo:' is not a valid choice.  Please choose from the drop down, or Edit Options [SF2].'
+           MsgInfo<micon$> = '!'
+           Void = msg( '', MsgInfo )
+           status() = invalid_nomsg$
+        end
+   case ConvType = 'OCONV'
+        ReturnedValue = DataIo
+   case otherwise$
+        status() = invalid_msg$
+end case
+return