cannot handle structurally valid but too long language tags

Description

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https://tools.ietf.org/html/rfc5646#section-2.1.1 does not have provision on the length of a language tag.

However, ICU locale id handling code has a fixed size buffer and cannot deal with too long language tags.

Assignee

Fredrik Roubert

Reporter

Jungshik Shin

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Reviewer

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Priority

major

Time Needed

Days

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