dir=auto, start with dir=auto, then R
Test passes if the two boxes below look exactly the same.
DEF
.-=123אבגABC.DEF
.-=123אבגABC.DEF
.-=123אבגABC.DEF
.-=123אבגABC.Assertion: When dir='auto', the direction is set according to the first strong character of the text while ignoring contained elements with an explicit dir of their own. In this test, it is the Hebrew letter Alef, thus the direction must be resolved as RTL.