phrase//2 and phrase//3

• add to TS 13211-3 7.14 Grammar control constructs as 7.14.13 or
• add to the Prolog prologue as a non-terminal.

7.14.13 phrase//2, phrase//3

The grammar body element phrase(NonTerminal__1, Arg1) describes phrase(NonTerminal) where NonTerminal is constructed by appending the additional argument Arg1 to the arguments (if any) of NonTerminal__1.

The grammar body element phrase(NonTerminal__2, Arg1, Arg2) describes phrase(NonTerminal) where NonTerminal is constructed by appending the additional arguments Arg1 and Arg2 to the arguments (if any) of NonTerminal__2.

EXAMPLE —

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