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Diff for /src/usr.bin/make/make.1 between version 1.62 and 1.63

version 1.62, 2002/02/08 01:36:28 version 1.63, 2002/03/19 22:17:30
Line 33 
Line 33 
 .\"  .\"
 .\"     from: @(#)make.1        8.4 (Berkeley) 3/19/94  .\"     from: @(#)make.1        8.4 (Berkeley) 3/19/94
 .\"  .\"
 .Dd December 23, 2001  .Dd March 20, 2002
 .Dt MAKE 1  .Dt MAKE 1
 .Os  .Os
 .Sh NAME  .Sh NAME
Line 715  should start and end with a period. For 
Line 715  should start and end with a period. For 
 .It Cm U Ar newval  .It Cm U Ar newval
 If the variable is undefined  If the variable is undefined
 .Ar newval  .Ar newval
 is the value.  This is another ODE make feature.  It is handy for  is the value.
   If the variable is defined, the existing value is returned.
   This is another ODE make feature.  It is handy for
 setting per-target CFLAGS for instance:  setting per-target CFLAGS for instance:
 .Dl ${_${.TARGET:T}_CFLAGS:U${DEF_CFLAGS}}  .Dl ${_${.TARGET:T}_CFLAGS:U${DEF_CFLAGS}}
   If a value is only required if the variable is undefined, use:
   .Dl ${VAR:D:Unewval}
 .It Cm D Ar newval  .It Cm D Ar newval
 If the variable is defined  If the variable is defined
 .Ar newval  .Ar newval

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Removed from v.1.62  
changed lines
  Added in v.1.63

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