docs: change in button shortcode matcornic#426

exampleSite/content/shortcodes/button.en.md

@@ -51,7 +51,7 @@ Once the button is clicked, it opens another browser tab for the given URL.
 | **style**             | `transparent`   | The color scheme used to paint the button.<br><br>- by severity: `info`, `note`, `tip`, `warning`<br>- by brand color: `primary`, `secondary`<br>- by color: `blue`, `green`, `grey`, `orange`, `red`<br>- by special color: `default`, `transparent` |
 | **icon**              | see notes       | [Font Awesome icon name]({{%relref "shortcodes/icon#finding-an-icon" %}}) set to the left of the title. Depending on the **style** there may be a default icon. Any given value will overwrite the default.<br><br>- for severity styles: a nice matching icon for the severity<br>- for all other colors: _&lt;empty&gt;_<br><br>If you want no icon for a severity style, you have to set this parameter to `" "` (a non empty string filled with spaces) |
 | **iconposition**      | `left`          | Places the icon to the `left` or `right` of the title. |
-| **target**            | see notes       | The destination frame/window if **href** is an URL. Otherwise the parameter is not used. This behaves similar to normal links. If the parameter is not given it defaults to:<br><br>- `_blank` for any address starting with `http://` or `https://`<br>- no specific value for all other links |
+| **target**            | see notes       | The destination frame/window if **href** is an URL. Otherwise the parameter is not used. This behaves similar to normal links. If the parameter is not given it defaults to:<br><br>- the setting of `externalLinkTarget` or `_blank` if not set, for any address starting with `http://` or `https://`<br>- no specific value for all other links |
 | **type**              | see notes       | The [button type](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-type) if **href** is JavaScript. Otherwise the parameter is not used. If the parameter is not given it defaults to `button` |
 | _**&lt;content&gt;**_ | see notes       | Arbitrary text for the button title. Depending on the **style** there may be a default title. Any given value will overwrite the default.<br><br>- for severity styles: the matching title for the severity<br>- for all other colors: _&lt;empty&gt;_<br><br>If you want no title for a severity style, you have to set this parameter to `" "` (a non empty string filled with spaces) |