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This is great.

"\xcafe" in the entry for "Escape" is a cute in-joke for experts, but an unfair trap for noobs or people for whom English is not their first language.  Could it be replaced by something with at least one 1-9 digit at the start?

e.g. anything from here or

On 5 May 2017 at 13:59, Roberto Ierusalimschy <> wrote:
> > but there are still ambiguous text "a pair of [=====] with any number
> > of equal signs" in "delimiter" description.
> ... but not with this. "A pair of" implies that they are same size. Think
> shoes.

I think the problem is the "[=====]". What is "a pair of [=====]"?

     [=====] some text [=====]?

     [=====  some text  =====]?

     [=====[ some text ]=====]?

-- Roberto