1 # common meaning of second character
17 ; Ogonek (+Retroflex Hook/Tail)
29 % Greek/Cyrillic special
30 + lc: Arabic, uc: Hebrew
31 3 some Latin/Greek/Cyrillic letters
33 5 Hiragana (also lc + a/e/i/o/u)
34 6 Katakana (also uc + a/e/i/o/u)
35 J + Korean Jamo (also K)
38 # common first character
46 #Eu € # in zsh and vim
47 =B ฿ # more like B/, but prefer that for diacritical letter
49 =g ₴ # derived from cursive g= (soundalike h= or lookalike 2= seem bad options)
53 =p ₱ # =P conflicts with vim alternative for ruble
54 =R ₹ # conflicts with vim alternative for ruble
62 3: … # opposite of ⋮ (more logical would be to swap with .3 ⋯)
69 +0 ⊕ # 0+ already in use
72 0* ⊛ #XXX alternatively ⍟
74 0% ⦼ # no circled percent, but close
78 0! ⦶ # no circled exclamation mark
79 .1 ․ # obvious location, even though ‥ and … are at inconsistent .. and 3:
83 :* ☃ # unicodesnowmanforyou.com
85 0q ◕ # quarter not black, completes sequence 0m 0q 0R 0Q 0M
93 <3 ♥ # rfc has trigraph cH-
94 :) ☺ # easy alias to 0u
96 FU 🖕 # common abbreviation for middle finger
97 #88 ∞ # alias to 00, prefer lookalike ⌘
103 # obvious line drawing gaps
107 dD ╷ # goddamn! stupid arabic dad got there first
116 2- ╌ # exactly like to 3 and 4
120 BF ╳ # FD and BD combined; FB already in use
123 HW Ƕ # HV conflicts with vh line drawing
127 # old/middle english (uncommon)
128 WY Ƿ # replaced by UU, later W
133 s2 ʃ # can't use sh, keep es for subscript; no S-hook since (retroflex) hook is at S;
134 #S2 Ʃ # derived uppercase, not ipa; occupied by SHIFT-TWO control
135 l2 ɬ # only belt, but same place of articulation as r2 s2 d2
139 !C ǀ # corresponding zulu letter
140 !Q ǃ # idem; !. for lookalike (previously ʗ)
141 !X ǁ # idem; !/ for lookalike (previously ʖ)
142 !A ǂ # Alveolar; !- looks alike, != even more so but already occupied
144 !R ‼ # Retroflex (or Repeated); !! looks alike but occupied
146 R! Ȑ # no R-grave; double down
148 S! Ș # no S-grave; comma in use for cedilla, so misusing grave seems only fair
150 T! Ț # no T-grave; like S!
155 #es ₑ #TODO: move esh
168 #ts ₜ # both ts and Ts in use for Ћ
173 # superscripts (modifier letters)
174 AS ᵃ # alef was first for aS
179 #fS ᶠ # both fS and FS in use
187 #nS ⁿ # already present
200 # capital superscripts; avoid as most *S are in use
221 # expected but missing
224 #A0 Ǻ # normal A-ring already provided by AA
233 Y- Ȳ # conflicts with vim alternative for yen
235 'i ͺ # spacing iota subscript (like "i for combining)
238 Ac ℀ # prefer common A-smallcap for ac
239 As ℁ # prefer common a-subscript for as
240 cu ℆ # co ís present though
248 a" ǟ # a1 # long umlauted, very similar to double acute
250 jo ё # io # consistent with ja/ju
254 Z1 Ʒ # ED # doesn't make sense, put it with S1
255 z1 ʒ # ed # not in vim
256 =Y ¥ # Ye # also Y- in vim
276 l- ƚ # not really a macron, but wouldn't really make sense anyway otherwise
288 # middle tilde #XXX: not tilde above
293 ##n? ᵰ # already a tilde above
301 # not used all that much, better leave x) free
308 #I) Ȋ # )I exists, but should not confuse
318 # usage is similar to inverted breve, just as rare
341 #D2 Ɗ # in use by control char
347 F, Ƒ # described as hook, but similar to cedilla
348 f, ƒ # replaces more specialised f( and Fl, unified nowadays
351 H2 Ɦ # different hook from lowercase
353 HG Ꜧ # similar to NG, distinct from ꞕ ḩ ⱨ
363 #P2 Ƥ # in use by control char
380 Y; Ƴ # not a hook below, but Y2 hook above is already present
382 Z, Ȥ # prefer cedilla similarity like F,
386 # curls (9 is mostly free because horns are so rare)
389 j9 ʝ # crossed-tail actually
399 #2/ ƻ # rarely used, and double dash is far more logical
407 # turned/inverted (trailing I is uncommon for lowercase, and already used thusly for !I, ?I and NI)
411 #EI Ǝ # would be confusing, as it's not uppercase schwa eI
412 eI ə # schwa, not turned E (latter is very uncommon)
424 #nI ᴎ # reversed capital N, but NI already in use
426 #RI ᴚ # conflicts with RI control char
435 oE ɶ # Oe also available, but E looks capital
437 Ap ɒ #XXX Ao? (AO in use)
450 Op ɤ #XXX oy would look alike
454 #lp ɬ #XXX: lb for 'belt'
464 mL ɰ # like rL (XXX mp?)
466 # small caps (also possible at *s)
475 # more from phonetics extensions
487 sC ꜱ # sc/Sc/SC in use
493 # hangeul jamo consonants at *J
515 # hangeul jamo vowels at *J
534 # hangeul jamo iotized vowels at *K (for Korean)
541 # common formatting control
542 ZS # ZWSP; capitals like other Cc
543 ZN # ZWNJ; less obvious alt: 'Z
544 ZW # ZWJ; ZJ somewhy used for tsadi; less obvious alt: "Z
546 RL # RLM; keep rl for ɼ
549 # under development or temporary
552 $PR ► # current PR should be TR
553 $PL ◄ # current PL should be TL
554 $XX ✘ # current XX should be xx
555 $OK ✔ # current OK should be ok
556 $'> ˆ # where to put ^?
557 $'? ˜ # where to put ~?
559 $?" ΅ # tonos+dialytika
582 # rfc (incorrectly?) maps double to heavy