Hi Mark
As you suggest, rolling your own iframe with something like this macro might be
workable in some situations:
\define non-sandboxed-iframe(title)
<iframe src={{{ [<title>get[_canonical_uri]] }}}></iframe>
\end
In terms of improving core support, an obvious solution would be some sort of
“_sandbox” field on text/html tiddlers, but that doesn’t quite work because the
parsing architecture is based around parsing chunks of text with a MIME type,
and not necessarily parsing actual tiddlers.
So, I think the best we can do might be to provide a global hidden setting,
which I’ve added for the prerelease here:
https://tiddlywiki.com/prerelease/#Hidden%20Setting%3A%20HTML%20Parser%20Sandbox
Best wishes
Jeremy.
> On 11 Apr 2021, at 04:46, 'Mark S.' via TiddlyWiki
> <[email protected]> wrote:
>
> If you try to display an HTML page inside a _canonical_uri, it won't use the
> external CSS page because (I think) of the sandbox attribute. Other than
> hacking the code, or rolling your own iframe, is there some way to get the
> iframe to display properly?
>
> Use case. I would like to off-load article-size tiddlers to their own HTML
> pages, allowing them to be viewed inside a _canonical_uri tiddler.
> Unfortunately, the formatting is broken because the page refuses to use the
> accompanying spreadsheet. Manually removing the sandbox attribute from the
> inspector seems to fix this, so I assume that this is happening because of
> the sandbox attribute.
>
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