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Allow images without alt attribute #198

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winniehell opened this Issue Dec 28, 2014 · 3 comments

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winniehell commented Dec 28, 2014

Current behavior for images with missing alt attribute is:

$ kramdown -ihtml -okramdown <<<'<img src=""/>'
/var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:289:in `convert_img': undefined method `gsub' for nil:NilClass (NoMethodError)
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:32:in `convert'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:59:in `block in inner'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:52:in `each'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:52:in `each_with_index'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:52:in `inner'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:361:in `convert_root'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/kramdown.rb:32:in `convert'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/converter/base.rb:104:in `convert'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/lib/kramdown/document.rb:120:in `method_missing'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/bin/kramdown:61:in `block in '
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/bin/kramdown:61:in `each'
    from /var/lib/gems/1.9.1/gems/kramdown-1.5.0/bin/kramdown:61:in `'
    from /usr/local/bin/kramdown:23:in `load'
    from /usr/local/bin/kramdown:23:in `'

whereas

$ kramdown -ihtml -okramdown <<<'<img src="" alt=""/>'
![]()

works perfectly fine.

Please consider treating missing alt attributes as empty.

@gettalong gettalong self-assigned this Dec 28, 2014

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gettalong commented Dec 28, 2014

Thanks for the bug report, this should certainly be done.

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gettalong commented Feb 4, 2015

Fixed this.

@gettalong gettalong closed this Feb 4, 2015

@gettalong gettalong added the bug label Feb 4, 2015

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winniehell commented Feb 4, 2015

Thank you! 👍

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