Genero Report Engine 2.31 closed issues

4 issues:

Id	Summary	Product	Status	Fixed in
GRE-00089 (prev.: 18984)	Visibility condition on a layout node in AFTER GROUP causes an error	GRE GRE	CLOSED FIXED	GRE 2.31.05
GRE-00297 (prev.: 18819)	Runtime error when using an empty localized strings file	GRE GRE	CLOSED FIXED	GRE 2.31.05
GRE-00322 (prev.: 18920)	Cannot use variable names containing uppercase characters	GRE GRE	CLOSED FIXED	GRE 2.31.05
GRE-00425 (prev.: 17902)	Manage MacOS Operating System when doing a preview of a report	GRE GRE	CLOSED FIXED	GRE 2.31.05