This can save typing, and can lead to a coherent structure and consistent style. This is similar to, but independent of, the macro system in the score language . The name of the macro must begin with a letter and can consist of any combination of letters and numbers.
Case is significant.
This form is limiting, in that the variable names are fixed. More flexibility can be obtained by using a macro with arguments, described below. This can be used in more complex situations. The name of the macro must begin with a letter and can consist of any combination of letters and numbers. In fact, the implementation defines the arguments as simple macros.