From: Andrew Dolgov <cthulhoo@gmail.com>
Date: Wed, 25 Jan 2017 05:43:50 +0000 (+0300)
Subject: Merge branch 'fix-sanitize-dfn' into 'master'
X-Git-Tag: 17.4~74
X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=e304c1473b885508b08075a8a9f5513e3e08f337;p=tt-rss.git

Merge branch 'fix-sanitize-dfn' into 'master'

sanitize: allow <dfn> tag

### In brief
* Add `<dfn>` tag to allowed tags list
  * `<dfn>` represents the defining instance of a term in HTML
  * More [information about `<dfn>` on the w3school's website](http://www.w3schools.com/tags/tag_dfn.asp )

### Example
This stops article content such as...
```
Indian tea harvests are divided up by <dfn>flush</dfn>.
```
...from getting turned into...
```
Indian tea harvests are divided up by .
```

See merge request !45
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e304c1473b885508b08075a8a9f5513e3e08f337