Le 12 juil. 2006 à 20:33, Jacob Rus a écrit :

Yes, I realize it's picking things up as multiple indentation levels, but I offer that this is a bug, and that python markdown has this right. Having numbers of numbered lists right-aligned seems like a legitimate method of writing them in plain text, and when there is *less* indentation, having a sublist formed is counter-intuitive to me. I would prefer to have it keep them as part of the same list, but would possibly understand if it ended the current list and started a new one. Making less-indented numbers into a sublist just seeems weird, especially since using 0-3 spaces to start the first list item is allowed by spec.

I consider that as a bug too. But it seems to be due to an undocummented, but wildly used, feature of Markdown. This may make it hard to solve while still preserving backward compatibility.

Currently, something like this produce a nested list inside the first list item:

    1. List item
     1. Sublist item
    2. List item

The problem Jacob have occurs when you right-align list markers which are not always the same lenght. As a general case, something like this is expected to produce one list, but currently produce two nested list:

     1. List item
    10. List item
    20. List item
     2. List item

Any solution to this problem must absolutly preserve left-aligned markers too. This should be equivalent to the previous example:

    1.  List item
    10. List item
    20. List item
    2.  List item

And this too:

    1. List item
    10. List item
    20. List item
    2. List item

The problem is that in these three cases, the alignment is different; there is no single reference to take into account (the number, the dot, or the text). If we want to preserve backward compatibility, we would need to support sublists just as they exists currently too. For example would yeild two sublists:

    1. List item
     10. Sublist item
    20. List item
     2. Sublist item

But how is the second sublist item different from the first 1-10-20-2 example of this post:

     1. List item
    10. List item
    20. List item
     2. List item

?

It is clear now that to solve that problem, we have to break something else. That something could be the currently undocumented way nested lists are created by less than four space, or it could be a requirement for ordered markers. Either way there is a risk of breaking something.

Personally, I'd go the route of requiring an increasing character count for numeric markers when they are right-aligned because I think it is the less damaging thing to do to current Markdown text and because it makes sense visually. The previous example would be equivalent to this:

    1.  List item
    10. List item
    20. List item
        2.  List item

As would this:

     1. List item
    2. List item
    3. List item
     4. List item

Not perfect, as it still breaks the rule saying you can use any number as list marker when numbers are more than one character and right-aligned, but it is the best compromise I can think of. What do you think?


Michel Fortin
[EMAIL PROTECTED]
http://www.michelf.com/


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