Accumulated Feedback on PRI #445

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Date/Time: Thu Mar 3 10:57:55 CST 2022
Name: Andrew West
Report Type: Public Review Issue
Opt Subject: 445

Note: This feedback was resolved during UTC #171.

UTC-00340;V;U+846C;140.9;;⿱艹㘸;kLau 1560a;;;
I think it should be U;U+585F

Date/Time: Sun May 15 08:16:57 CDT 2022
Name: Ken Lunde
Report Type: Public Review Issue
Opt Subject: 445

Please consider the following three UAX #45 suggestions:

1) At some point in the future, the single-letter status field identifiers
(aka Field 1) for CJK Unified Ideographs extensions will collide with other
single-letter status field identifiers, the first being N, which indicates
that the ideograph is planned to be submitted for a future extension. I
therefore suggest that the following single-letter status field identifiers
be changed as follows:

A → ExtA
B → ExtB
C → ExtC
D → ExtD
E → ExtE
F → ExtF
G → ExtG
H → ExtH
U → URO

2) In order to highlight status field identifiers "N" (Earmarked to be
included in a proposal from the UTC to the IRG for a future
extension), "W" (Not suitable for encoding as a CJK Unified Ideograph),
and "X" (Appropriate disposition has not been determined) for easier
identification, I suggest that they be changed to characters that display
as emoji:

N → ✅ (U+2705 WHITE HEAVY CHECK MARK)
W → ❌ (U+274C CROSS MARK)
X → ❓ (U+2753 BLACK QUESTION MARK ORNAMENT)

Of course, the second suggestion makes the purpose of the first suggestion
moot. However, there is still a benefit of the first suggestion: the
affected status field identifiers are more explicit.

3) I noticed that the description of Field 2 in the header of
USourceData.txt doesn't really match the descriptions in the table in
Section 2.1 of UAX #45 itself:

#      If the status is V (Field 1), the code point in Field 2 specifies
#      the encoded character for which this entry is a variant. Otherwise, the
#      code point specifies the encoded character for this entry.

The table in Section 2.1 of UAX #45 states that the same is true of other
status field values, such as N, W, X, and so on. Perhaps the following is a
more accurate description:

The code point in Field 2 specifies the encoded character for this entry.
Otherwise, the code point specifies the encoded character to which this
entry is related, generally as a variant.

That is all.