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Approved PM markup?

by BrowserUk (Pope)
on Jun 28, 2015 at 03:21 UTC ( #1132318=monkdiscuss: print w/replies, xml ) Need Help??

Why is it that <div> is allowed, and <span> is not? Is there some particular vulnerability connected with <span>?


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Re: Approved PM markup?
by kcott (Bishop) on Jun 28, 2015 at 03:54 UTC

      Seems you're right. Though without the ability to supply inline styling (or at least an id) it might as well be totally disallowed.

        The lack of a style attribute was also my first thought; however, on reflection, it's really a lack of a style element that's the (bigger) problem.

        To elaborate on that, I have a script which generates HTML containing syntax-highlighted code, that looks something like this:

        <pre class="syntax-highlight"> ... <span class="variable">x</span> <span class="operator">=</span> <s +pan class="string">... ... </pre>

        While I wouldn't want to change, for example, every <span class="string"> instance to, say, <span style="color: #00ff00; background-color: #000000">; I might like to add one simple block like:

        <style> ... pre.syntax-highlight > span.string { color: #00ff00; background-color: #000000; } ... </style>

        However, beyond that, which really just shifts the focus of where style is missing from, I do agree with you. id is not an allowed attribute for any allowed element; the lang and dir attributes are only allowed with the blockquote element; and so on.

        There may be reasons why things are this way. Perhaps someone from pmdev could provide some feedback.

        -- Ken

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