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Ambiguity in unordered list item definition

1. Thomas Karpiniec (tkarpiniec (a) icloud.com)

Hi,

While testing a GUI text/gemini renderer I noticed that if a line
starts with an ASCII-emphasised word like this:



Then a spec-compliant browser will turn that into a bullet:

 ?  Great* times are ahead

In the scheme of things it's a minor gotcha but I wonder if everyone
would be happier if some whitespace was required?

I note that this would make it different from the headings, which
specify optional whitespace. It would make parsing slightly easier if
that whitespace was mandatory here too - as it stands, you must check
for "###", "##" and "#" in that order so as to avoid "###Hello" being
a top-level heading of value "##Hello".

None of this greatly matters but I think it's worth noting as
something to watch out for!

Cheers,

Tom

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2. Frederick Yin (fkfd (a) macaw.me)

This makes so much sense! IMO the whitespace should be mandatory. Just 
curious, why wasn't `-` (hyphen) for bullet lists?

~fkfd

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3. solderpunk (solderpunk (a) SDF.ORG)

On Sun, May 31, 2020 at 01:55:26PM +1000, Thomas Karpiniec wrote:
> Hi,
> 
> While testing a GUI text/gemini renderer I noticed that if a line
> starts with an ASCII-emphasised word like this:
> 
> *Great* times are ahead
> 
> Then a spec-compliant browser will turn that into a bullet:
> 
>  ?  Great* times are ahead

Yeah, I have noticed this too.  It's minor, like you say, but I will
admit it grates on me.

I guess there are a bunch of things we could do about this.

Solutions that involve changing the spec:



Solutions that don't involve changing the spec:


  which begin with emphasised words.

  instead of like *this* (or any other way not involving *s).

I think if we were starting from scratch I would probably use - instead
of * for list items.  This maintains some familiarity from Markdown and
allows *this kind of emphasis* to exist unambiguously alongside
unordered items.  With the recent explosion of both software and content
I'm a little reluctant to change this now as it will make (a little,
yes) work for many people, and chances are good at least half of the
people who made things excitedly on the first weekend after the HN
article have now gotten bored and left and won't change anything, so
we'll end up with long-term visible inconsistencies (which will give
some people the idea that both * and - are valid, ala Markdown,
perpetuating the situation).  It would be a shame to do that for the
sake of something so minor.  Then again, maybe I should be less afraid
of breaking things.  All the content that exists today will hopefully be
a small percentage of all the content what will be created...

> I note that this would make it different from the headings, which
> specify optional whitespace. It would make parsing slightly easier if
> that whitespace was mandatory here too - as it stands, you must check
> for "###", "##" and "#" in that order so as to avoid "###Hello" being
> a top-level heading of value "##Hello".

It's true the checking needs to be done in "reverse" order, but I'm not
sure this is a big problem.  It doesn't need any *more* code than the
other way around, and it's a pretty obvious mistake to notice and fix if
people overlook it on their first try.

Cheers,
Solderpunk

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4. Thomas Karpiniec (tkarpiniec (a) icloud.com)

All makes sense to me!

On Sun, May 31, 2020 at 10:09:46AM +0000, solderpunk wrote:
> Solutions that don't involve changing the spec:
> 
> * Authors could take care to introduce a leading space before text lines
>   which begin with emphasised words.
> * Geminispace could adopt a convention of emphasising words like _this_
>   instead of like *this* (or any other way not involving *s).

I didn't think of such a simple workaround (the leading space). You're
right, I expect it would become common knowledge that you have to look
out for that while composing gemini text.

Not worth making breaking changes for in any case.

Cheers,

Tom

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5. Frederick Yin (fkfd (a) macaw.me)

On May 31, 2020 6:09:46 PM GMT+08:00, solderpunk <solderpunk at SDF.ORG> wrote:
>On Sun, May 31, 2020 at 01:55:26PM +1000, Thomas Karpiniec wrote:

>I'm a little reluctant to change this now as it will make (a little,
>yes) work for many people, and chances are good at least half of the
>people who made things excitedly on the first weekend after the HN
>article have now gotten bored and left and won't change anything, so
>we'll end up with long-term visible inconsistencies (which will give
>some people the idea that both * and - are valid, ala Markdown,
>perpetuating the situation).  It would be a shame to do that for the
>sake of something so minor.  

But hey look, the magic of free software suggests there's nothing that's 
set in stone. All can be patched. Personally I don't believe a jury-rigged 
weekend project would be used by more than a dozen people - who will hop 
to better clients eventually. The more we postpone refining the spec, the 
harder it will become to actually do it. That said, my stance is that we 
deprecate * and adopt - for bullet lists.

~fkfd

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6. Felix Queißner (felix (a) masterq32.de)

Hey!
> It would be a shame to do that for the
> sake of something so minor.  Then again, maybe I should be less afraid
> of breaking things.  All the content that exists today will hopefully be
> a small percentage of all the content what will be created...

Don't be afraid of breaking things for a better spec. I would still
consider Gemini experimental, so that's okay.

My approach would be:

  * Mark `*` at the begin of the line deprecated as a list identifier
    and to be removed in the next iteration of the spec
  * Declare "  *" as the list identifier

It makes lists indented and stand out, also remove the ambiguity.

Right now, my parser would break on that, but it's an easy fix in pretty
much all programming languages as well as the plain text documents:

[]$ sed 's/^*/  */'

Regards
- xq

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7. Alex Schroeder (alex (a) alexschroeder.ch)

I suggest we simply add a space after the asterisk if it?s a list item. I 
also see no harm in supporting both asterisk and the minus for list items.

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8. solderpunk (solderpunk (a) SDF.ORG)

On Sun, May 31, 2020 at 01:46:28PM +0200, Alex Schroeder wrote:
> I also see no harm in supporting both asterisk and the minus for list items.

I guess I see it as "indirect harm".  It adds words to the spec and
bytes to clients without any real advantage.  What's the point in having
more than one easy and familiar and unambiguous way to designate
something?  Sure, it's not going to add *many* words or bytes, but taking
ideas like simplicity and minimalism seriously means pushing back
against small enroachments.  Gemini is explicitly "heavier than Gopher",
but that shouldn't mean we happily take on weight without giving it
thought.

Cheers,
Solderpunk

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9. Pete D. (peteyboy (a) sdf.org)

gemini-request at lists.orbitalfox.eu wrote:
> Message: 6
> Date: Sun, 31 May 2020 20:21:17 +1000
> From: Thomas Karpiniec<tkarpiniec at icloud.com>
> To: Gemini application layer protocol<gemini at lists.orbitalfox.eu>
> Subject: Re: Ambiguity in unordered list item definition
> Message-ID:<20200531102117.GA48485 at allanon.local>
> Content-Type: text/plain; charset=us-ascii
>
> All makes sense to me!
>
> On Sun, May 31, 2020 at 10:09:46AM +0000, solderpunk wrote:
>> Solutions that don't involve changing the spec:
>>
>> * Authors could take care to introduce a leading space before text lines
>>    which begin with emphasised words.
>> * Geminispace could adopt a convention of emphasising words like_this_
>>    instead of like*this*  (or any other way not involving *s).
> I didn't think of such a simple workaround (the leading space). You're
> right, I expect it would become common knowledge that you have to look
> out for that while composing gemini text.
>
> Not worth making breaking changes for in any case.
>
> Cheers,
>
> Tom


Doesn't it make more sense to do the *reverse* (see what I did there?), 
by requiring bullet lines to have a space *after* the *?
Because the normal standard for "ascii bold" has no spaces between the 
leading * and the bolded word, as you can see in my mail (if it hasn't 
been already rendered in bold by your mail program.

It would make sense for a bullet to be a space away from the text it is 
bulleting, so that ^[[:star:]][[:space:]] would be a bulleted list, 
while [[:star:]]Thing I want to emphasize[[:star:]]

So only really sloppy ascii-type text would break this, and so then 
maybe it should. And most bulleters would be doing this already (I see 
that that's what I did for my bullets, I'm used to mediawiki, and 
markdown is the same

https://wordpress.com/support/markdown-quick-reference/

    Bullet Lists

    * Item * Item

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10. solderpunk (solderpunk (a) SDF.ORG)

On Sun, May 31, 2020 at 11:51:09PM -0700, Pete D. wrote:
 
> Doesn't it make more sense to do the *reverse* (see what I did there?), by
> requiring bullet lines to have a space *after* the *?
> Because the normal standard for "ascii bold" has no spaces between the
> leading * and the bolded word, as you can see in my mail (if it hasn't been
> already rendered in bold by your mail program.

Ah, I must say, I like "* " better than " *"!  If we did it that way I
suspect much fewer people would need to make changes to their content,
which is a good thing.

Cheers,
Solderpunk

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11. Thomas Karpiniec (tkarpiniec (a) icloud.com)

On Mon, Jun 01, 2020 at 08:06:01AM +0000, solderpunk wrote:
> Ah, I must say, I like "* " better than " *"!  If we did it that way I
> suspect much fewer people would need to make changes to their content,
> which is a good thing.

Oops, that's what I meant in the first place! Unfortunately I too was
ambiguous. I didn't realise in the subsequent discussion that I was
misunderstood.

So to restate it clearly, what I was trying to propose was changing
bullets from a line starting with "*" to a line starting with "* ".

Cheers,

Tom

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12. solderpunk (solderpunk (a) SDF.ORG)

On Mon, Jun 01, 2020 at 06:12:47PM +1000, Thomas Karpiniec wrote:
 
> Oops, that's what I meant in the first place! Unfortunately I too was
> ambiguous. I didn't realise in the subsequent discussion that I was
> misunderstood.
> 
> So to restate it clearly, what I was trying to propose was changing
> bullets from a line starting with "*" to a line starting with "* ".

Oh, great!

Does anybody *not* like this idea?

Cheers,
Solderpunk

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13. Natalie Pendragon (natpen (a) natpen.net)

Interestingly, I could find no existing link lines in Geminispace that
would go out-of-spec with this change. There *are* a number of what
appear to be intended boldings words at the beginning of lines that
would actually go in-spec with this change, since right now they're
technically list items, which seems unintentional to me.

You can find an example on this page:
gemini://carcosa.net/journal/20190925-status.gmi

Aside from several more serendipitous boldings like that, the only
other thing of note I found, which would require an actual change by
Mozz, is this page of tests:
gemini://mozz.us/files/text_formatting_test_20200303.gmi

So, I'm in favor of this change!

Yours faithfully,
Natalie

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