More precisely, it means to means to ignore any decision points within the previous atom. Those decision points may or may not have been generated by a quantifier on the entire atom. For instance, in [a|b]: the colon disables trying the second alternative if the first alternative succeeds.

In reply to Re: Re: Do nothing? or Do something important in a very obscure way? by TimToady
in thread Do nothing? or Do something important in a very obscure way? by BrowserUk

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