Ensure empty AttributedSubstrings produce no runs #996
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hristost
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Oct 31, 2024
cthielen
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Nov 8, 2024
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Empty
AttributedSubstrings should contain no runs, however there was a small index calculation bug in which empty substrings in the middle of the string (neither at the start or end indices) would incorrectly expand their ranges to the next run. This resolves the bug by ensuring that theRuns.startIndex == Runs.endIndexfor all empty substrings regardless of their location in the string.Resolves rdar://138432081