Extra safety when unreading alignment-related characters for \aligned #2384
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Your observations seem right, and this patch doesn't cause any surprises that I can detect. Thanks! |
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Fixes #2383 . Quite subtle, but I think I got it - I can make the minimal example from the issue into a test if preferred.
Details: The key problem was that when the
->unreadof a{happened, the actual aligned state got modified, rather than the "safely neutralized" local state, which appears to be the primary purpose of this parameter type.