EBNF ---- how is this [abc]* - ([abc]* 'xyz' [abc]*) different to this: [abc]* - ([abc]* 'xyz') ?
@stiabhang I believe the hyphen denotes subtraction of the subsequent grammar, eliminating its possibility.
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EBNF ---- how is this [abc]* - ([abc]* 'xyz' [abc]*) different to this: [abc]* - ([abc]* 'xyz') ?
@stiabhang I believe the hyphen denotes subtraction of the subsequent grammar, eliminating its possibility.