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Diff for /src/usr.bin/expand/expand.1 between version 1.2 and 1.3

version 1.2, 1996/06/26 05:32:47 version 1.3, 1998/09/23 04:32:39
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 .Sh SYNOPSIS  .Sh SYNOPSIS
 .Nm expand  .Nm expand
 .Op Fl Ns Ar tabstop  .Op Fl Ns Ar tabstop
 .Op Fl Ns Ar tab1,tab2,...,tabn  .Op Fl Ns Ar tab1 , tab2 , ... , tabn
 .Ar  .Ar file Op Ar ...
 .Nm unexpand  .Nm unexpand
 .Op Fl a  .Op Fl a
 .Ar  .Ar file Op Ar ...
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm Expand  .Nm expand
 processes the named files or the standard input writing  processes the named files or the standard input writing
 the standard output with tabs changed into blanks.  the standard output with tabs changed into blanks.
 Backspace characters are preserved into the output and decrement  Backspace characters are preserved into the output and decrement
 the column count for tab calculations.  the column count for tab calculations.
 .Nm Expand  .Nm expand
 is useful for pre-processing character files  is useful for pre-processing character files
 (before sorting, looking at specific columns, etc.) that  (before sorting, looking at specific columns, etc.) that
 contain tabs.  contain tabs.
 .Pp  .Pp
 If a single  If a single
 .Ar tabstop  .Ar tabstop
 argument is given, then tabs are set  argument is given, tabs are set
 .Ar tabstop  .Ar tabstop
 spaces apart instead of the default 8.  spaces apart instead of the default 8.
 If multiple tabstops are given then the tabs are set at those  If multiple tabstops are given then the tabs are set at those
 specific columns.  specific columns.
 .Pp  .Pp
 .Nm Unexpand  .Nm unexpand
 puts tabs back into the data from the standard input or the named  puts tabs back into the data from the standard input or the named
 files and writes the result on the standard output.  files and writes the result on the standard output.
 .Pp  .Pp
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 By default, only leading blanks and tabs  By default, only leading blanks and tabs
 are reconverted to maximal strings of tabs.  If the  are reconverted to maximal strings of tabs.  If the
 .Fl a  .Fl a
 option is given, then tabs are inserted whenever they would compress the  option is given, tabs are inserted whenever they would compress the
 resultant file by replacing two or more characters.  resultant file by replacing two or more characters.
 .El  .El
 .Sh HISTORY  .Sh HISTORY
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Removed from v.1.2  
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  Added in v.1.3