You can right click > Open in New Tab / Window. Otherwise no. They are treated exactly the same as internal links because they still link within the same web site. If you want to force an individual link to be treated as an external link, construct your tag like this:
Code:
[wiki=Title|BLANK]text[/wiki]
To add it to all links you will have to make a plugin. This will make only autolinks open in a new tab, regular wiki links with the BB-Code will open in the same window unless the above tag is used.
Hook location: vault_bbcode_link
Code:
if ($vault->parser['autolink_parse'])
{
$flags['BLANK'] = 1;
}
Clicking "Read more" in the preview popup with still open it in the same window. The template for the popup is vault_article_preview.
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