HTML Test: BDI: neutral when number

Test passes if the two boxes below look exactly the same.

Key to entities used below: א ... ו - The first six Hebrew letters (strongly RTL). ‭ - The LRO (left-to-right override) formatting character. ‬ - The PDF (pop directional formatting) formatting character; closes LRO. If the BDI in the test's first DIV were a SPAN, the 1 inside it would be visually ordered to the left of the א.
א - [1]...
א - [1]...
א - [1]...
a - [1]...
a - [1]...
a - [1]...
‭א - [1]...‬
‭א - [1]...‬
‭א - [1]...‬
‭...[1] - a‬
‭...[1] - a‬
‭...[1] - a‬