buggy HTML from nested lists w/ paragraphs

Tom Humiston tom at jumpingrock.net
Mon Apr 7 09:42:56 EDT 2008

My immediate problem has, if not been fixed, at least gone away:
While the errors I saw (using Markdown 1.0.1) were in a cheat sheet
for my own use, my WordPress blog (the reason I'm learning markdown
syntax) is set up with PHP Markdown Extra 1.1.7, which has no trouble
with the text that 1.0.1 choked on.

On Apr 6, 2008, at 6:40 AM, Tomas Doran wrote:


> On 6 Apr 2008, at 05:45, Tom Humiston wrote:

>> I ran into a weird problem while writing my own little guide to

>> Markdown (using Markdown, of course). The document is mostly made

>> of list items in nested ul's. As I neared the end, I found (via

>> MarsEdit's preview) that in place of two sections of content,

>> Markdown had begun to generate gibberish strings like this:


>> aa9ca05a7c006bc5e5c091c00aee0cd7


>> After weeding through different sections of my text to find an

>> offending pattern (and even using TextWrangler to search for stray

>> Unicode and the like), I found that it seems to result from a

>> particular sequence, or type of sequence, involving headers, list

>> items, and paragraphs, regardless of their content.


>> With all non-offending content weeded out, and 'text(n)'

>> substituted for each line of actual content, I'm left with the

>> text below, still generating the two errors. Each line of code has

>> a blank line above it. Removing the blank lines or the final item,

>> text13, is enough to kill either or both of the errors, while

>> removal of other items kills one error or the other. (Removal of

>> text8 kills neither, but I left it in case it's helpful for

>> diagnosing the problem.)


> <snip>


>> The versions of Markdown I'm running this through are version

>> 1.0.1 of the Perl script from daringfireball, and whatever's

>> included in MarsEdit 2.1.3(1404).


>> Any ideas?


> Markdown 1.0.2b8 fixed this bug, as has Text::Markdown.


> I'd recommend that you upgrade to one of these..


> Various other implementations also get it right:


> http://babelmark.bobtfish.net/?markdown=%23+text1%0D%0A%0D%0A++*

> +text2%0D%0A%0D%0A++++*+text3%0D%0A%0D%0A++++text4%0D%0A%0D%0A%23%23

> +text5%0D%0A%0D%0A++*+text6%0D%0A%0D%0A++++*+text7%0D%0A%0D%0A+

> +text8%0D%0A%0D%0A%23%23+text9%0D%0A%0D%0A++*+text10%0D%0A%0D%0A+++

> +*+text11%0D%0A%0D%0A++++text12%0D%0A%0D%0A++++text13


> Cheers

> Tom


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