Backtick Hickup

[Milian Wolff]

Am Donnerstag, 09. August 2007 schrieb Michel Fortin:

> Le 2007-08-08 à 18:29, Milian Wolff a écrit :

> > I'm using Michel Fortin's MDTest cases to rewrite my html2text.php

> > script.

> > Just now I stumbled upon this bug (in PHP Markdown at least):

> >

> > # Input:

> >

> >     Backtick: ``\```

> >

> > # Output:

> >

> > <p>Backtick: ``&#96;``</p>

> >

> > # Should-Be Output:

> >

> > <p>Backtick: <code>`</code></p>

>

> I understand that this is some test case of your own, is it?


Well, yes and no ;-) I used the `Backslash escapes.html` testcase inside the 
`Markdown.mdtest` folder. But I missed the whitespaces in the corresponding 
`*.text` file. I'll have to add them manually in my converter. Corner Case...


> This was the expected output for Markdown 1.0, and it is the actual

> output for the corresponding PHP Markdown version 1.0:

>

>      <p>Backtick: <code>`</code></p>

>

> There has been a change in version 1.0.1 so that character escapes

> inside code spans are ignored. That way, you don't have to double-

> escape backslashes in code (that's quite handy). The output generated

> by PHP Markdown 1.0.1 looks like this:

>

>      <p>Backtick: `````</p>

>

> To come to this result, Markdown first see two blocks of backticks,

> one of two backticks `` and one of tree ``` with a backslash \

> inbetween. Since the number of backticks do not match, it does not

> become a code span and the usual rules for text apply: the backslash

> disappear while escaping the first backtick and you get a five-

> backtick block.

>

> Since PHP Markdown 1.0.1g, escaped characters are encoded as numeric

> entities in the output so they don't have to be double-escaped if you

> use PHP SmartyPants. This produce the result you get:

>

>      <p>Backtick: ``&#96;``</p>

>

> You can test all versions of PHP Markdown on the "all-versions"

> dingus here:

> <http://www.michelf.com/projects/php-markdown/dingus/?all-versions>

>

> Also, if you want a single backtick inside a code block, just write:

>

>      Backtick: `` ` ``

>

> This is explained in the [syntax description page][1] on Daring

> Fireball.

>

>   [1]: http://daringfireball.net/projects/markdown/syntax#code


My bad. Thank you for the clarification.

-- 
Milian Wolff
http://milianw.de