Code Indentation tabs are displayed incorrectly in code view (BB-1158)

While looking at source code, at least for my project, the code that has been indented with tabs isn't displaying properly.

For example, this is how I format my code:
{{{
#!php
class Foo extends Bar
{
->function lol($what)
->

}
}}}

The "->" means a tab.

But when viewing on BitBucket, the code displays like as if the second indent is gone, as if I have only used one tab...