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Add support for filtered attributes to HTML elements and widgets

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Fixes #2624
This commit is contained in:
Jermolene
2016-10-21 11:27:07 +01:00
parent c72a0b7a67
commit 7108e0d861
5 changed files with 99 additions and 35 deletions
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17
editions/tw5.com/tiddlers/wikitext/HTML_Links_in_WikiText.tid Normal file
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created: 20161021101834041
modified: 20161021102041147
tags: [[HTML in WikiText]]
title: HTML Links in WikiText
type: text/vnd.tiddlywiki
It is often useful to be able to create HTML links to external resources. For example, here the value of the `href` attribute will be set to the value of the tiddler MyLinkDestination:
```
<a href={{MyLinkDestination}}>link</a>
```
However, there is an unexpected security issue that means that most of the time the link should have the `rel` attribute set to `noopener noreferrer` to maintain privacy of the URLs of private TiddlyWiki's (eg on Dropbox). See https://mathiasbynens.github.io/rel-noopener/ for more information.
```
<a href={{MyLinkDestination}} rel="noopener noreferrer">link</a>
```