Corner case: Bullet list item starting with number with period

["krulis....-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" <krulis.tomas.tk-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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