On 10/05/09 03:35, tora - Takamichi Akiyama wrote:
Generally speaking, one Chinese, including most Far East Asian languages, 
characters will be
internally converted into 9 ASCII characters ( three occurrences of % followed 
by two hex-decimal
digits ) in a certain situation because of UTF-8 hex-decimal encoded URL.

If the length of text is limited up to 256 bytes somewhere, in the worst case, 
the limitation
for the number of Chinese characters might become 28, not 256. (256 / 9 = 28.4).

The limitation is on Windows pathnames, not on URLs (that are mapped to pathnames, by replacing sequences of escape-encoded bytes with sequences of pathname characters), so the ratio of "human readable" characters to pathname characters is usually much smaller than 9, typically 1--3 (depending on the character encoding used by Windows).

-Stephan

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