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Adding interpolation documentation #14

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Adding interpolation documentation #14

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cdf8fb7
Meta tag interpolation issue #2768 - Adding documentation
epic-tactix Apr 10, 2017
62d2f05
Meta tag interpolation issue #2768 - Adding documentation
epic-tactix Apr 10, 2017
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14 changes: 14 additions & 0 deletions src/language/interpolation.md
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Expand Up @@ -82,6 +82,20 @@ p.

You could accomplish the same thing by writing an HTML tag inline with your Pug, but then what's the point of writing the Pug? Wrap an inline Pug tag declaration in `#[` and `]` and it'll be evaluated and buffered into the content of its containing tag.

Note that a tag is not required for interpolation to work. If your variable is valid html or even a block of valid html, it can be inserted like so:

```pug-preview
- var paragraph = "<p>This is a paragraph.</p>";
div
!= paragraph


- var metaTags = '<meta property="og:title" content="My app"/><meta property="og:description" content="An awesome app"/>';
head
meta(charSet="UTF-8")
!= metaTags
```

### Whitespace Control

The tag interpolation syntax is especially useful for inline tags, where whitespace before and after the tag is significant. By default, however, Pug removes all spaces before and after tags. Check out the following example:
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