twbs/bootstrap — pull request #11014 by cvrebert (2013-10-10 00:00:11+00:00)
Title: Warn about opening example HTML directly instead of viewing via HTTP

Viewing our example HTML files directly in the browser can break Glyphicons (see #10965) and breaks CDN links.
This commit displays an alert box when people do this to warn them about the brokenness.
/to @twbs/team for review