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Diff for /src/usr.bin/tr/tr.1 between version 1.18 and 1.19

version 1.18, 2011/06/27 23:10:19 version 1.19, 2011/09/03 22:59:07
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 A backslash followed by certain special characters maps to special  A backslash followed by certain special characters maps to special
 values.  values.
 .Pp  .Pp
 .Bl -column "nn" "<alert character>"  .Bl -tag -width "nn" -offset indent -compact
 .It \ea <alert character>  .It \ea
 .It \eb <backspace>  <alert character>
 .It \ef <form-feed>  .It \eb
 .It \en <newline>  <backspace>
 .It \er <carriage return>  .It \ef
 .It \et <tab>  <form-feed>
 .It \ev <vertical tab>  .It \en
   <newline>
   .It \er
   <carriage return>
   .It \et
   <tab>
   .It \ev
   <vertical tab>
 .El  .El
 .Pp  .Pp
 A backslash followed by any other character maps to that character.  A backslash followed by any other character maps to that character.
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 Represents all characters belonging to the defined character class.  Represents all characters belonging to the defined character class.
 Class names are:  Class names are:
 .Pp  .Pp
 .Bl -column "xdigit" "<lower-case alphabetic characters>"  .Bl -tag -width "xdigit" -offset indent -compact
 .It alnum       <alphanumeric characters>  .It alnum
 .It alpha       <alphabetic characters>  <alphanumeric characters>
 .It blank       <blank characters>  .It alpha
 .It cntrl       <control characters>  <alphabetic characters>
 .It digit       <numeric characters>  .It blank
 .It graph       <graphic characters>  <blank characters>
 .It lower       <lower-case alphabetic characters>  .It cntrl
 .It print       <printable characters>  <control characters>
 .It punct       <punctuation characters>  .It digit
 .It space       <space characters>  <numeric characters>
 .It upper       <upper-case characters>  .It graph
 .It xdigit      <hexadecimal characters>  <graphic characters>
   .It lower
   <lower-case alphabetic characters>
   .It print
   <printable characters>
   .It punct
   <punctuation characters>
   .It space
   <space characters>
   .It upper
   <upper-case characters>
   .It xdigit
   <hexadecimal characters>
 .El  .El
 .Pp  .Pp
 .\" All classes may be used in  .\" All classes may be used in
Legend:
Removed from v.1.18  
changed lines
  Added in v.1.19