je lis le chapitre 15: http://www.rebol.com/docs/core23/rebolcore-15.html#section-8 "Rebol Parse: traiter les espaces et copier var
spacer: charset reduce [tab newline #" "]
spaces: [some spacer]
rule: ["a" spaces "b" spaces "c"]
parse/all "a b c" rule
est OK, mais si je change la règle juste
rule: ["a" spaces copy varb to spaces "c"]
parse/all "a b c" rule
Rebol sorties Console Erreur:
** Script Error: Invalid argument: some spacer
** Where: halt-view
** Near: parse/all "a b c" rule
>>
Pourquoi?
Merci.