Corner case: Bullet list item starting with number with period

Corner case: Bullet list item starting with number with period

[krulis....-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org]

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Recently I have hit upon a corner case which (I guess) wasnt probably 
thought off. If you have bullet list item like so:

```{org}
- 11. and 12. 09. meeting
```

converting to pandoc AST yields (ran in Try pandoc):

```{native}
[BulletList [[OrderedList (1,DefaultStyle,DefaultDelim) [[Plain [Str 
"and",Space,Str "12.",Space,Str "09.",Space,Str "meeting"]]]]]] 
```

removing first number.

Running this:

```{org}
- 11. 09. meeting
```

removes even more:

```{native}
[BulletList [[OrderedList (1,DefaultStyle,DefaultDelim) [[OrderedList 
(1,DefaultStyle,DefaultDelim) [[Plain [Str "meeting"]]]]]]]] 
```

Meaning removes all numbers, whitespace, periods until alphabetic letters.

Markdown conversion acts a little differently -- anything that seems as a 
start of ordered list is interpreted as such:

```{md}
- 11. 09. meeting
```

produces:

```{native}
[BulletList [[OrderedList (11,Decimal,Period) [[OrderedList 
(9,Decimal,Period) [[Plain [Str "meeting"]]]]]]]] 
```

and 

```{md}
- 11. and 12. 09. meeting
```

produces:

```{native} 
[BulletList [[OrderedList (11,Decimal,Period) [[Plain [Str "and",Space,Str 
"12.",Space,Str "09.",Space,Str "meeting"]]]]]]
```

I guess that pandoc is making a pretty sensible assumption that all those 
numbers ending with period are starting new ordered list from different 
number than 1. But that breaks when using dates in start of a bullet list 
item.

As far as I know pandoc doesnt have a "date" element, and I also think it 
doesnt need one.

As proposed solution I think that another check in readers should be made 
that all text after bullet mark should be considered regular text, until a 
linebreak; or 2 linebreaks with text starting in column 2 (for items 
spanning more than one paragraph).

I have hit upon this when converting Org mode to docx, in where the first 
number is actually left off totally, so:

```{org}
- 11. and 12. 09. meeting
```

results in:

```{docx}
- and 12. 09. meeting
```

Which in my opinion is bug in all instances. If it would render ordered 
list in bullet list (as it should with):

```{native} 
[BulletList [[OrderedList (11,Decimal,Period) [[Plain [Str "and",Space,Str 
"12.",Space,Str "09.",Space,Str "meeting"]]]]]]
```

it would be easier to notice, at least.

Can this corner case be resolved better? Should I make this a github issue?

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Re: Corner case: Bullet list item starting with number with period

[John MacFarlane]

If pandoc renders this differently than Emacs interprets it in
org-mode, then it can be considered a bug and should be reported
on the tracker.

"krulis....-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" <krulis.tomas.tk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> Recently I have hit upon a corner case which (I guess) wasnt probably 
> thought off. If you have bullet list item like so:
>
> ```{org}
> - 11. and 12. 09. meeting
> ```
>
> converting to pandoc AST yields (ran in Try pandoc):
>
> ```{native}
> [BulletList [[OrderedList (1,DefaultStyle,DefaultDelim) [[Plain [Str 
> "and",Space,Str "12.",Space,Str "09.",Space,Str "meeting"]]]]]] 
> ```
>
> removing first number.
>
> Running this:
>
> ```{org}
> - 11. 09. meeting
> ```
>
> removes even more:
>
> ```{native}
> [BulletList [[OrderedList (1,DefaultStyle,DefaultDelim) [[OrderedList 
> (1,DefaultStyle,DefaultDelim) [[Plain [Str "meeting"]]]]]]]] 
> ```
>
> Meaning removes all numbers, whitespace, periods until alphabetic letters.
>
> Markdown conversion acts a little differently -- anything that seems as a 
> start of ordered list is interpreted as such:
>
> ```{md}
> - 11. 09. meeting
> ```
>
> produces:
>
> ```{native}
> [BulletList [[OrderedList (11,Decimal,Period) [[OrderedList 
> (9,Decimal,Period) [[Plain [Str "meeting"]]]]]]]] 
> ```
>
> and 
>
> ```{md}
> - 11. and 12. 09. meeting
> ```
>
> produces:
>
> ```{native} 
> [BulletList [[OrderedList (11,Decimal,Period) [[Plain [Str "and",Space,Str 
> "12.",Space,Str "09.",Space,Str "meeting"]]]]]]
> ```
>
> I guess that pandoc is making a pretty sensible assumption that all those 
> numbers ending with period are starting new ordered list from different 
> number than 1. But that breaks when using dates in start of a bullet list 
> item.
>
> As far as I know pandoc doesnt have a "date" element, and I also think it 
> doesnt need one.
>
> As proposed solution I think that another check in readers should be made 
> that all text after bullet mark should be considered regular text, until a 
> linebreak; or 2 linebreaks with text starting in column 2 (for items 
> spanning more than one paragraph).
>
> I have hit upon this when converting Org mode to docx, in where the first 
> number is actually left off totally, so:
>
> ```{org}
> - 11. and 12. 09. meeting
> ```
>
> results in:
>
> ```{docx}
> - and 12. 09. meeting
> ```
>
> Which in my opinion is bug in all instances. If it would render ordered 
> list in bullet list (as it should with):
>
> ```{native} 
> [BulletList [[OrderedList (11,Decimal,Period) [[Plain [Str "and",Space,Str 
> "12.",Space,Str "09.",Space,Str "meeting"]]]]]]
> ```
>
> it would be easier to notice, at least.
>
> Can this corner case be resolved better? Should I make this a github issue?
>
> -- 
> You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/35cb746c-1ee8-4fd4-b7fb-753caa8c5e1dn%40googlegroups.com.

Re: Corner case: Bullet list item starting with number with period

[krulis....-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org]

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Thank you for the reply!

Created as issue #7557 here: https://github.com/jgm/pandoc/issues/7557

Dne středa 8. září 2021 v 18:58:59 UTC+2 uživatel John MacFarlane napsal:

>
> If pandoc renders this differently than Emacs interprets it in
> org-mode, then it can be considered a bug and should be reported
> on the tracker.
>
> "krulis....-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" <krulis....-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>
> > Recently I have hit upon a corner case which (I guess) wasnt probably 
> > thought off. If you have bullet list item like so:
> >
> > ```{org}
> > - 11. and 12. 09. meeting
> > ```
> >
> > converting to pandoc AST yields (ran in Try pandoc):
> >
> > ```{native}
> > [BulletList [[OrderedList (1,DefaultStyle,DefaultDelim) [[Plain [Str 
> > "and",Space,Str "12.",Space,Str "09.",Space,Str "meeting"]]]]]] 
> > ```
> >
> > removing first number.
> >
> > Running this:
> >
> > ```{org}
> > - 11. 09. meeting
> > ```
> >
> > removes even more:
> >
> > ```{native}
> > [BulletList [[OrderedList (1,DefaultStyle,DefaultDelim) [[OrderedList 
> > (1,DefaultStyle,DefaultDelim) [[Plain [Str "meeting"]]]]]]]] 
> > ```
> >
> > Meaning removes all numbers, whitespace, periods until alphabetic 
> letters.
> >
> > Markdown conversion acts a little differently -- anything that seems as 
> a 
> > start of ordered list is interpreted as such:
> >
> > ```{md}
> > - 11. 09. meeting
> > ```
> >
> > produces:
> >
> > ```{native}
> > [BulletList [[OrderedList (11,Decimal,Period) [[OrderedList 
> > (9,Decimal,Period) [[Plain [Str "meeting"]]]]]]]] 
> > ```
> >
> > and 
> >
> > ```{md}
> > - 11. and 12. 09. meeting
> > ```
> >
> > produces:
> >
> > ```{native} 
> > [BulletList [[OrderedList (11,Decimal,Period) [[Plain [Str 
> "and",Space,Str 
> > "12.",Space,Str "09.",Space,Str "meeting"]]]]]]
> > ```
> >
> > I guess that pandoc is making a pretty sensible assumption that all 
> those 
> > numbers ending with period are starting new ordered list from different 
> > number than 1. But that breaks when using dates in start of a bullet 
> list 
> > item.
> >
> > As far as I know pandoc doesnt have a "date" element, and I also think 
> it 
> > doesnt need one.
> >
> > As proposed solution I think that another check in readers should be 
> made 
> > that all text after bullet mark should be considered regular text, until 
> a 
> > linebreak; or 2 linebreaks with text starting in column 2 (for items 
> > spanning more than one paragraph).
> >
> > I have hit upon this when converting Org mode to docx, in where the 
> first 
> > number is actually left off totally, so:
> >
> > ```{org}
> > - 11. and 12. 09. meeting
> > ```
> >
> > results in:
> >
> > ```{docx}
> > - and 12. 09. meeting
> > ```
> >
> > Which in my opinion is bug in all instances. If it would render ordered 
> > list in bullet list (as it should with):
> >
> > ```{native} 
> > [BulletList [[OrderedList (11,Decimal,Period) [[Plain [Str 
> "and",Space,Str 
> > "12.",Space,Str "09.",Space,Str "meeting"]]]]]]
> > ```
> >
> > it would be easier to notice, at least.
> >
> > Can this corner case be resolved better? Should I make this a github 
> issue?
> >
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups "pandoc-discuss" group.
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to pandoc-discus...-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> > To view this discussion on the web visit 
> https://groups.google.com/d/msgid/pandoc-discuss/35cb746c-1ee8-4fd4-b7fb-753caa8c5e1dn%40googlegroups.com
> .
>

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