Hi,
In the following scenario, I would like to remove the first rule of expr. But I can't find the good arguments for the command DELETE_RULE.

$ rlwrap ocaml -I +camlp4 -I +ulex
# #load "camlp4rf.cma" ;;
# #load "pa_ulex.cma" ;
# open Camlp4.PreCast ;
# Gram.Entry.print Format.std_formatter Syntax.expr ;
# DELETE_RULE Gram Syntax.expr: "lexer"; OPT "|"; LIST0 [ regexp; "->"; expr ] SEP "|" END ;
Unbound value regexp

Otherwise, is there a way to know if the active syntax, is the revised or not?

Thank you.

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