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question about links parsing

cage cage-dev at twistfold.it

Fri Jul 17 17:49:07 BST 2020

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On Fri, Jul 17, 2020 at 11:45:28AM -0400, Matthew Graybosch wrote:

Hello!

Thank you for your reply!

On Fri, 17 Jul 2020 17:25:00 +0200

cage <cage-dev at twistfold.it> wrote:

Hi!

I have found a page with a link written this way

=

<whitespace><URL><whitespace><linebreak>

that is, a withespace without the link name following.

My understanding of the spec is that the link name is optional. Without

it, the link would just be a bare URL.

But please don't take that as gospel; I could be wrong. :)

No problem! We are just discussing :)

I think what you wrote is entirely reasonable (in fact i actuallymodified my parser to act as you said) but then i checked thedocumentations and the specs for links is written as:

[<whitespace>]<URL>[<whitespace><USER-FRIENDLY LINK NAME>]

So *if* i understand correctly (and i am not sure i did :-D), if iinterpret the square brackets as "optional terms", i can read thatline as: "A link is formed by the symbol '=

' followed by any non-zeronumber of consecutive spaces followed by the url and followed by anoptional block formed by non zero space *and* a link name.

So if there is a <whitespace> after <URL> a link name *must* follows.

If each terms after the url was optional i expect the specs wassomething like:

[<whitespace>]<URL>[<whitespace>][<USER-FRIENDLY LINK NAME>]

but like i am just guessing here, i am not a linguist, just an humbleself taught programmer :)

Bye!C.