Vietnam deleted the rule that made its ID numbers decodable, and nobody stopped decoding them
Since 1 July 2024 no Vietnamese instrument says the 12-digit citizen ID has any internal structure. The decree defining...
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Japan changed its romanisation rules and left names alone
December 2025 replaced the 1954 standard and made Hepburn the basis after roughly seventy years. It explicitly does not...
Korea's romanisation rules never covered surnames
Apply the official standard to the four commonest Korean surnames and you get Gim, I, Bak and Choe. Passports say Kim, L...
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What passports do when you have only one name
The near-universal advice is to write FNU in the empty given-name box. That is not an ICAO rule. The standard says a nam...
The Chinese characters a bank computer cannot store
A rare character in a legal name fails in four different ways that look identical from the counter. One of them does not...
What a country will let you name a child
A name generator hands you something that sounds right; a registrar decides whether it can be recorded. Japan now regist...
Your Database Has One Collation for Southeast Asia
MySQL 8 ships 89 collations for utf8mb4 and exactly one is for a Southeast Asian language. Five of them sorted the same...
What a Character Limit Does to Khmer
Truncation looks like the simplest thing a program does, until the same twenty-character limit hands an English reader n...
Why Some Languages Come Out as Empty Boxes
A page can be perfectly translated and still arrive as hollow rectangles, because rendering needs a font that contains t...
Why Your Name Does Not Fit in the Box
A form field capped at forty characters gives an English speaker forty and a Khmer speaker twenty-one, because the brows...
What the Same Sentence Costs in Eleven Languages
Write a prompt in Thai and it costs more than the same prompt in English — not because the model charges you differently...
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