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Rev	Author	Line No.	Line
2	-	1	`.TH ISALPHARUNE 2`
		2	`.SH NAME`
		3	`isalpharune, isbaserune, islowerrune, isspacerune, istitlerune, isupperrune, isdigitrune, tobaserune, tolowerrune, totitlerune, toupperrune \- Unicode character classes and cases`
		4	`.SH SYNOPSIS`
		5	`.B #include <u.h>`
		6	`.br`
		7	`.B #include <libc.h>`
		8	`.PP`
		9	`.B`
		10	`int isalpharune(Rune c)`
		11	`.PP`
		12	`.B`
		13	`int isbaserune(Rune c)`
		14	`.PP`
		15	`.B`
		16	`int islowerrune(Rune c)`
		17	`.PP`
		18	`.B`
		19	`int isspacerune(Rune c)`
		20	`.PP`
		21	`.B`
		22	`int istitlerune(Rune c)`
		23	`.PP`
		24	`.B`
		25	`int isupperrune(Rune c)`
		26	`.PP`
		27	`.B`
		28	`int isdigitrune(Rune c)`
		29	`.PP`
		30	`.B`
		31	`Rune tobaserune(Rune c)`
		32	`.PP`
		33	`.B`
		34	`Rune tolowerrune(Rune c)`
		35	`.PP`
		36	`.B`
		37	`Rune totitlerune(Rune c)`
		38	`.PP`
		39	`.B`
		40	`Rune toupperrune(Rune c)`
		41	`.SH DESCRIPTION`
		42	`These routines examine and operate on Unicode characters,`
		43	`in particular a subset of their properties as defined in the Unicode standard.`
		44	`Unicode defines some characters as alphabetic and specifies three cases:`
		45	`upper, lower, and title.`
		46	`Analogously to`
		47	`.IR ctype (2)`
		48	`for`
		49	`.SM ASCII\c`
		50	`,`
		51	`these routines`
		52	`test types and modify cases for Unicode characters.`
		53	`The names are self-explanatory.`
		54	`.PP`
		55	`The case-conversion routines return the character unchanged if it has no case.`
		56	`.SH SOURCE`
		57	`.B /sys/src/libc/port/runetype.c`
		58	`.SH "SEE ALSO`
		59	`.IR ctype (2) ,`
		60	`.IR "The Unicode Standard" .`

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