Escaping HTML twice in image alt tag

[cbreeden]

While working on a solution for a similar bug on markdown-it, it was brought to my attention that cheapskate may suffer from the same bug. This was detecting using Babelmark 2, which is currently using cheapskate 0.1.0.1; so I am not sure if this has been fixed since or not.

Given an input:

![&](#)

We obtain an output:

<p><img src="#" alt="&amp;amp;" /></p>

Expected output:

<p><img src="#" alt="&amp;" /></p>

[jgm]

I updated babelmark2 to use cheapskate 0.1.0.5 and the problem disappeared.

+++ cbreeden [May 15 16 15:44 ]:

While working on a solution for a [1]similar bug on markdown-it, it was brought to my attention that cheapskate may suffer from the same bug. This was detecting using [2]Babelmark 2, which is currently using cheapskate 0.1.0.1; so I am not sure if this has been fixed since or not.

Given an input:

We obtain an output:

Expected output:

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References

1. https://github.com/markdown-it/markdown-it/issues/237
2. http://johnmacfarlane.net/babelmark2/?text=
3. https://github.com/jgm/cheapskate/issues/15