golang.org/x/text/language
matcher doesn't match en-SG exactly to enNeedsInvestigation
#29884 opened 3 weeks ago by humjosh
Cannot parse ISO/IEC 15897 (C, POSIX, etc.) as language tagsNeedsInvestigation
#25340 opened 9 months ago by wking
change of behavior for language matcherNeedsInvestigation
#24211 opened 11 months ago by LayneChris