Looking at the git history, it seems that the reason ref-bootstrap.html went away...
authorMike Taylor <mike@indexdata.com>
Wed, 1 Oct 2014 13:01:44 +0000 (14:01 +0100)
committerMike Taylor <mike@indexdata.com>
Wed, 1 Oct 2014 13:01:44 +0000 (14:01 +0100)
commited6ffed003e5c34840f60d2382923d1dff6ec350
tree6dbfefab70eb90e9311007b77a85308dbd0c63f4
parent37af6f78653093005f66915cdeb5f211967fd8b1
Looking at the git history, it seems that the reason ref-bootstrap.html went away is that we're supposed to use topic-bootstrap.html instead. That is rather less broken, so I will re-remove ref-bootstrap.html from the repo, and work on getting topic-bootstrap.html working properly.
examples/htdocs/ref-bootstrap.html [deleted file]