UTR50 List of Issues

This is a list of issues with Unicode Technical Report #50. It exists because afaict Unicode doesn't issues in public (if at all?).

• Quotation marks
• Per-mille / Per-ten-thousand
• Letterlike Symbols
• Letterlike Letters

• Small forms parens Tr vs R
• Ideographic space U+3000 SVO=MVO⇒U
• Brackets U+2329, U+232A MVO⇒U
• overlines and low lines and DOUBLE LOW LINE (SVO)
• Egyptian should all be U
• Canadian Syllabics MVO error?
• Musical symbols Cf should be R, not U, since they're connectors
• Musical Symbols
• Old Turkic

Breakdown of MVO feedback from Yamamoto-san's proposal.

• IPR symbols requested to be sideways, due to being derived from Western letters:
  • U+00A9 © COPYRIGHT SIGN
  • U+00AE ® REGISTERED SIGN
  • U+2117 ℗ SOUND RECORDING COPYRIGHT
  • U+2120 ℠ SERVICE MARK
  • U+2122 ™ TRADE MARK SIGN
• Footnote symbols and related requested to be sideways, due to being more commonly Western. (Also: asterisk (*) is sideways by default, double vertical line (‖) is drawn rotated by vertical fonts, and section (§) is used with numbers, which are usually sideways.)
  • U+00A7 § SECTION SIGN
  • U+00B6 ¶ PILCROW SIGN
  • U+2016 ‖ DOUBLE VERTICAL LINE
  • U+2020 † DAGGER
  • U+2021 ‡ DOUBLE DAGGER
  • U+2042 ⁂ ASTERISM
  • U+2051 ⁑ TWO ASTERISKS ALIGNED VERTICALLY
• Curly quotes requested to be sideways because primarily used within Western snippets. Since double quotes are already sideways, affected codepoints are:
  • U+2018 ‘ LEFT SINGLE QUOTATION MARK
  • U+2019 ’ RIGHT SINGLE QUOTATION MARK
• Letterlike Letters requested to be sideways EXCEPT
  • U+2139 ℹ INFORMATION SOURCE
• Letterlike Symbols requested be sideways EXCEPT
  • U+2103 ℃ DEGREE CELSIUS
  • U+2109 ℉ DEGREE FAHRENHEIT
  • U+2116 № NUMERO SIGN
  • U+2121 ℡ TELEPHONE SIGN
  • U+213A ℺ ROTATED CAPITAL Q
  • U+213B ℻ FACSIMILE SIGN
• Per mille / per ten-thousand sign requested to be sideways because too wide to fit upright in lines and often used with digits (sideways)
  • U+2030 ‰ PER MILLE
  • U+2031 ‱ PER TEN THOUSANDS
• Interrobang requested to be sideways because originated in Western typography and uncommon in East Asian
  • U+203D ‽ INTERROBANG
• Musical symbols (U+1D000–U+1D1FF) requested be sideways because proportional, see Forum post
• Canadian Syllabics (U+1401–U+167F,U+18B0–U+18FF) requested to be sideways because this appears to be a UTR50 error.

• Math letters are MVO=R (sideways)
• Math symbols are MVO=R (sideways)

Codepoints	Stack	Mixed	Status	Issue Links	Summary
U+00B0–U+00B1,U+00D7,U+00F7		U⇒R		Minutes	ASCII math sideways
U+02E5–U+02E9		U⇒R		Spacing modifier letters	Used with Latin
U+2018,U+2019	U⇒Tr			Minutes	Upright quotes must transform
U+2017,U+FE49–U+FE4F		U⇒R		Minutes	Under/overlines sideways
U+2022–U+2023,U+2043		U⇒R		Minutes	Bullets sideways
U+2032–U+2037,U+2057		U⇒R		Minutes	Primes sideways
U+2024–U+2026	U⇒R	?⇒R		Minutes	Leaders sideways
U+2044		R⇒U		Minutes Forum	Fractions upright Might need revisiting
U+20A0–U+20CF		U=R		Minutes List	Currency sideways
U+20D0–U+20DE,U+20E1,U+20E5–U+20FF		U⇒R		Minutes	Combining non-enclosing marks sideways
U+2132,U+214E		U⇒R		Minutes Forum	Claudian sideways
U+25A0–U+25FF		R⇒U		Minutes Unicode Forum	Geometric Shapes block (So & Sm) upright
U+2768–U+2775		U⇒R		Minutes Dingbats Parens	All Ps/Pe should be SVO=MVO=R
U+2800–U+28FF		U⇒R		Minutes	Braille
U+FE50–U+FE52	U⇒Tu	U⇒Tu		Minutes Small forms variants	Commas/stops transform
U+FE58	U⇒R	U⇒R		Minutes Small forms variants	Dashes sideways
U+FE59–U+FE5E	R⇒Tr	R⇒Tr		Minutes	Brackets Needs revisiting]]
U+FE63–U+FE66	U⇒R	U⇒R		Minutes Small forms variants	Dash, relational operators sideways
U+FF0D	Tr⇒R	Tr⇒R		Minutes Forum	Dashes sideways
U+FF1C–U+FF1E	Tr⇒R	Tr⇒R		Minutes Forum	Math operators sideways; fonts don't support vert rotation
U+FF61–U+FFDF,U+FFE8–U+FFEF		?⇒R		Minutes Forum	Halfwidth sideways
U+1D200–U+1D24F		U⇒R		Minutes	Ancient Greek Musical Notation

Not yet reflected in draft