Yeah, I think your suspicious is totally correct. The test seems to intend to test the outside of the range. (then, the comment in the test looks bogus) But it seems it's originally intend to test the suffix `、` as per https://chromium-review.googlesource.com/c/chromium/src/+/2676274/ . That said, the range in the spec doesn't make sense to me in the first place. Honestly it's first time to see this `阡` (representing "thousand") in my entire life (I thought at first look it's a Chinese character), whereas I've been `萬` quite often. I wonder how they decide the range.
Bug 1738356 Comment 4 Edit History
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Yeah, I think your suspicious is totally correct. The test seems to intend to test the outside of the range. (then, the comment in the test looks bogus) But it seems it's originally intend to test the suffix `、` as per https://chromium-review.googlesource.com/c/chromium/src/+/2676274/ . That said, the range in the spec doesn't make sense to me in the first place. Honestly it's first time to see this `阡` (representing "thousand") in my entire life (I thought at first look it's a Chinese character), whereas I've seen `萬` quite often. I wonder how they decide the range.