The XL language include additional modifiers which can be used when declaring variables.
In the Java programming language, constants can be defined by field declarations with both modifiers static and final. As a simplification, the new modifier const can be used for this purpose in the XL programming language.
The global modifier declare both public and static. Additionally, global parameters are included in the persistence management of GroIMP. (which is not the case for other static variables). It means that global variable are :