tr.1 (21f53e913871c2b50f6d61a2125d888c5c025ee0) tr.1 (bc44c44a14ea507f3c939a57f426e9a4eda8f20b)
1.\" Copyright (c) 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions

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197.\" .Fl s
198.\" options are specified.
199.\" Otherwise, only the classes ``upper'' and ``lower'' may be used in
200.\" .Ar string2
201.\" and then only when the corresponding class (``upper'' for ``lower''
202.\" and vice-versa) is specified in the same relative position in
203.\" .Ar string1 .
204.\" .Pp
1.\" Copyright (c) 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions

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197.\" .Fl s
198.\" options are specified.
199.\" Otherwise, only the classes ``upper'' and ``lower'' may be used in
200.\" .Ar string2
201.\" and then only when the corresponding class (``upper'' for ``lower''
202.\" and vice-versa) is specified in the same relative position in
203.\" .Ar string1 .
204.\" .Pp
205When ``[:lower:]'' appears in
206.Ar string1
207and ``[:upper:]'' appears in the same relative position in
208.Ar string2 ,
209it represents the characters from the
210.Dv toupper
211mapping in the
212.Ev LC_CTYPE
213category of the current locale.
214When ``[:upper:]'' appears in
215.Ar string1
216and ``[:lower:]'' appears in the same relative position in
217.Ar string2 ,
218it represents the characters from the
219.Dv tolower
220mapping in the
221.Ev LC_CTYPE
222category of the current locale.
223.Pp
205With the exception of the ``upper'' and ``lower'' classes, characters
206in the classes are in unspecified order.
207In the ``upper'' and ``lower'' classes, characters are entered in
208ascending order,
209as defined by the collation sequence.
210.Pp
211For specific information as to which
212.Tn ASCII

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224With the exception of the ``upper'' and ``lower'' classes, characters
225in the classes are in unspecified order.
226In the ``upper'' and ``lower'' classes, characters are entered in
227ascending order,
228as defined by the collation sequence.
229.Pp
230For specific information as to which
231.Tn ASCII

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