ikiwiki/doc/bugs/class_parameter_of_img_dire...

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On [[ikiwiki/directive/img/]] I read that
> You can also pass alt, title, class, align, id, hspace, and vspace
> parameters. These are passed through unchanged to the html img tag.
but when I pass `class="myclass"` to an img directive, I obtain
<img class="myclass img" ...
I found that this behaviour was added in commit f6db10d:
> img: Add a margin around images displayed by this directive.
>
> Particularly important for floating images, which could before be placed
> uncomfortably close to text.
which adds to img.pm:
if (exists $params{class}) {
$params{class}.=" img";
}
else {
$params{class}="img";
}
I would prefer if the `img` class were only added if no class attribute is
passed.
If you keep the current behaviour, please document it.