Missing characters for Hong Kong in Google Font's Noto Sans TC subset

There are several commonly used characters which are missing in Google Font's Noto Sans TC subset.

Examples include:
奬 (U+596C), preferred form in 常用字字形表 versions 2000 and earlier, prevalence rate of 0.0077‰
戥 (U+6225), verb meaning to feel for someone, prevalence rate of 0.0061‰
擸 (U+64F8), verb meaning to take or to grab, with an prevalence rate of 0.0039‰
捭 (U+636D), used in the phrase "捭闔縱橫", with an prevalence rate of 0.0039‰
啩 (U+5569), sentence-final particle to indicate doubt, with an prevalence rate of 0.0038‰
説 (U+8AAC), preferred form according to 常用字字形表 (all versions), with an prevalence rate of 0.0036‰
舁 (U+8201), (formal) verb meaning to move (a dead body, a coffin), with an prevalence rate of 0.0033‰
仵 (U+4EF5), (formal) "仵工" person in charge of removing dead bodies, with an prevalence rate of 0.0029‰
揈 (U+63C8), verb meaning to hang out, to swing, with an prevalence rate of 0.0025‰
脗 (U+8117), (formal) verb meaning match (as in forensics, the DNA collected at the scene _matched_ the suspect), with an prevalence rate of 0.0025‰.
𠝹 (U+20779), verb meaning to cut, with an prevalence rate of 0.0016‰
瀡 (U+7021), verb meaning to slide down, with an prevalence rate of 0.0016‰
趷 (U+8DB7), verb meaning popping/poking out of an even surface; in the phrase "趷籮" which refers to having thrusted the hips outward ( --> twerking), with an prevalence rate of 0.0014‰
掹 (U+63B9), verb meaning to pull or yank, 0.0014‰
孻 (U+5B7B), noun, meaning younger family member, 0.0014‰
釿 (U+91FF), noun, axe, used in names, 0.0012‰
麖 (U+9E96), noun, a kind of deer frequently found in Hong Kong, 0.0011‰
睩 (U+7769), verbs, used in phrase "眼仔睩睩" (cute baby eyes), 0.0010‰
𠻹 (U+20EF9), sentence-final particle to indicate exclamation, 0.0009‰
𨋢 (U+282E2), noun, lift / elevator, 0.0009‰
骹 (U+9AB9), noun, joint (as in shoulder joint), 0.0009‰
摷 (U+6477), verb, rummage, 0.0008‰
忟 (U+5FDF), verb, angry, 0.0008‰
鈪 (U+922A), verb, bracelet, 0.0008‰
舸 (U+8238), noun, big ship, used in names, 0.0008‰
鯭 (U+9BED), noun, fish, or in the phrase "泥鯭的" (taxi-sharing service), 0.0008‰
搲 (U+6432), verb, to scratch an itch, 0.0008‰
咇 (U+5487), verb, to be squeezed out of, 0.0006‰
飊 (U+98CA), (formal) verb, fast, "飊升" (exponentially increase), 0.0006‰
㩒 (U+3A52), verb, to press, 0.0005‰
裇 (U+88C7), noun, shirt, 0.0005‰
湋 (U+6E4B), noun, used in names, 0.0005‰
鈈 (U+9208), noun, plutonium, as in the nuclear radioactive stuff, 0.0005‰
𢭃 (U+22B43), verb, to play (with children), to touch one's chin, to flip something upwards, 0.0005‰
彅 (U+5F45), noun, used in names, 0.0005‰
脱 (U+8131), preferred form of 脫 according to 常用字字形表 (all versions), with an prevalence rate of 0.0005‰
郜 (U+90DC), noun, place, used in names, 0.0005‰
蹚 (U+8E5A), verb, to tread into/over, 0.0004‰
𥄫 (U+2512B), verb, to stare, 0.0004‰
泆 (U+6CC6), noun, used in names, 0.0004‰
税 (U+7A0E), preferred form according to 常用字字形表 (all versions), with an prevalence rate of 0.0004‰
噃 (U+5643), sentence-final particle to indicate evidence or contrast, with an prevalence rate of 0.0004‰
溋 (U+6E8B), used in names, 0.0004‰
鏸 (U+93F8), used in names, 0.0004‰

Incidence rates are based on a character survey conducted on one year archive of on.cc, one of the region's most popular two newspapers, covering 2015/03/21 to 2016/03/20 over 港聞、國際新聞、香港評論、香港娛樂、香港財經 and 香港生活 sections.

For a comparison, the character 筷, meaning chopstick, has an prevalence rate of 0.0025‰, so the listed characters are _extremely common_. 跆, for taekwondo, has an prevalence rate of 0.0009‰.

Incidence rate lower than 0.0004‰ but still worth a mention:
閲 (U+95B2), preferred form in 常用字字形表 (all versions) for 閱, pending horizontal extension to UCS in HKSCS-2016
吿 (U+543F), preferred form in 常用字字形表 (all versions) for 告, pending horizontal extension to UCS in HKSCS-2016
兑 (U+5151), preferred form in 常用字字形表 (all versions) for 兌, pending horizontal extension to UCS in HKSCS-2016
藴 (U+85F4), preferred form in 常用字字形表 (all versions) for 蘊, pending horizontal extension to UCS in HKSCS-2016
醖 (U+9196), preferred form in 常用字字形表 (all versions) for 醞, pending horizontal extension to UCS in HKSCS-2016
鋭 (U+92ED), preferred form in 常用字字形表 (all versions) for 銳, pending horizontal extension to UCS in HKSCS-2016
丢 (U+4E22), variant form in 常用字字形表 (all versions) for 丟

𦉘 (H-9DBC), noun, generic term for big cooking pot
椗 (U+6917), noun, generic term for stalk of a fruit, "慈姑椗" meaning penis, metaphor for males
𦧲 (U+269F2), verb, to spit, to beg, to pester
𤓓 (U+244D3), adjective, generic term for a burning smell
鰵 (U+9C35), 金錢鰵 a fish prized for its fishmaw
啅 (U+5545), 啅頭 gimmick, 翻啅 to eat something again
襇 (U+8947), 褶襇 (formal) pleat
拃 (U+62C3), verb, to grad, 掗拃, bulky
啹 (U+5579), 啹喀, Gurkhas, a racial minority in Hong Kong, many served in the army in WWII
𦟌 (U+267CC), shank, shin (of beef or pork)
抦 (U+62A6), to hit, to pound
揦 (U+63E6), to grab, to squish the face in dislike
飇 (U+98C7), variant form of 飊
嗮 (U+55EE), adverb meaning to full extent, completely

膦 (U+81A6), phosphonomethyl, 草甘膦, glyphosate, a weed-killer
酞 (U+915E), phthaleins, 酞菁 phthalocyanine
肼 (U+80BC), hydrazine, 米曲肼 (meldonium), banned drug in sports
氘 (U+6C18), deuterium. (interestingly, 氚 for tritium is included.)

腼 (U+817C), (formal) 腼腆, shy
飱 (U+98F1), (formal) used in proverb "誰知盤中飧 粒粒皆辛苦",
犂 (U+7282), a kind of farming tool, phrase "犂庭掃穴" the codename of a police operation
掮 (U+63AE), used in "披掮", noun, shawl
鱇 (U+9C47), used in 鮟鱇, anglerfish
璈 (U+7488), used in 瑧璈, 璈珀, name of two expensive residential blocks in Hong Kong
瑆 (U+7446), used in 瑆華, name of an residential block in Hong Kong

駹 (U+99F9), a type of horse, used in names
䮎 (U+4B8E), a type of horse, used in names
琋 (U+740B), a type of jade, used in names
睎 (U+774E), used in names
㷧 (U+3DE7), used in names, name of ex-chairperson of ESPRIT, a publicly listed company
廼 (U+5EFC), used in names, "甘廼迪" for John F. Kennedy
錤 (U+9324), used in names

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> Noto Sans TC has been subsetted to the most frequent 7,800 Chinese characters in Traditional Chinese
> documents. 223 characters are added to cover all the characters in Taiwan's CNS 11643 P1 and 常用國
> 字標準字體表 as well as Hong Kong's 常用字字形表 and IRG HB0 and HB1. In addition to Hanzi,
> Bopomofo, CJK Radicals, ASCII, punctuation marks and full-width characters are included. The full
> version can be downloaded in the link below. For more details, see Noto CJK Help.

Hong Kong's 常用字字形表 covers frequently used characters for primary schools, which are mainly characters used in formal writing (or mandarin Chinese). They don't cover frequently used characters used for Cantonese. HB0 / HB1 is Big-5 Section A and B which is basically the same set as CNS 11643 P1 / P2.

Take note that Big-5 and CNS 11643 P1/P2 only cover characters based on their usage in mandarin Chinese, and the character set were based on data collected from Taiwanese newspapers in 1976. This set is nowhere representative for the Taiwan and Hong Kong people in the modern context.

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Some characters where their actual use is low and official status is discouraged/non-canonical can be removed:
银 (U+94F6), simplified Chinese form for 銀
装 (U+88C5), simplified Chinese form for 裝
优 (U+4F18), simplified Chinese form for 優. Also a traditional chinese character meaning white, but such use is archaic.
样 (U+6837), simplified Chinese form for 樣. Also a traditional chinese character meaning a column used for hanging silkworms, but such use is archaic.
痒 (U+75D2), simplified Chinese form for 癢, or variant form for 瘍, but such use is archaic.
随 (U+968F), simplified Chinese form for 随
艺 (U+827A), simplified Chinese form for 藝
动 (U+52A8), simplified Chinese form for 動
栄 (U+6804), simplified Chinese form for 榮
众 (U+4F17), simplified Chinese form for 眾
庆 (U+5E86), simplified Chinese form for 慶
亚 (U+4E9A), simplified Chinese form for 亞
总 (U+603B), simplified Chinese form for 總
萦 (U+8426), simplified Chinese form for 縈
礼 (U+793C), simplified Chinese form for 禮, or archaic form for 禮.
渊 (U+6E0A), simplified Chinese / Japanese form for 淵.
稲 (U+7A32), Japanese form for 稲
総 (U+7DCF), Japanese form for 總
聡 (U+8061), Japanese form for 聰
錬 (U+932C), Japanese form for 鍊
齢 (U+9F62), Japanese form for 齡

睌 (U+774C), used in "睌䁂", archaic.
亁 (U+4E81), variant of 乾, uncommon.
廾 (U+5EFE), archaic, rare.

For reasons unknown, the subsetting seems to have included most of the simplified Chinese characters encoded inside HKSCS (more specifically, those in IICORE and HKSCS at the same time, regardless of existence of "H" flag in IICORE), but actually failed to include commonly used characters in Hong Kong.

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originally posted in googlei18n/noto-cjk#77