Fix format expression options validation#8339

Merged

ahk merged 7 commits intomasterfrom 8271-format-options-validation

Jun 13, 2019

+191-2

Commits on May 21, 2019

add test fixture for validation bug
jseppi
committed

Commits on May 22, 2019

format/simplify fixture
jseppi
committed

Commits on Jun 11, 2019

Commits on Jun 12, 2019

Add sneaky disguise so CI doesn't know it met this code before
ahk
committed

Commits on Jun 13, 2019