/[autoconf]/autoconf/doc/autoconf.texi
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revision 1.606 by petere, Tue Apr 2 18:22:08 2002 UTC revision 1.607 by kryde, Fri Apr 5 21:40:43 2002 UTC
# Line 5738  processor super-computer.  It claims to Line 5738  processor super-computer.  It claims to
5738  information is available on the @href{www.qnx.com, @sc{qnx} home page},  information is available on the @href{www.qnx.com, @sc{qnx} home page},
5739  including the @href{http://support.qnx.com/support/docs/qnx4/, @sc{qnx}  including the @href{http://support.qnx.com/support/docs/qnx4/, @sc{qnx}
5740  man pages}.  man pages}.
5741    
5742    @item Unix version 7
5743    @cindex Unix version 7
5744    @cindex V7
5745    Documentation is available in the
5746    @href{http://plan9.bell-labs.com/7thEdMan/index.html, V7 Manual}.
5747  @end table  @end table
5748    
5749    
# Line 7997  techniques you should avoid in order to Line 8003  techniques you should avoid in order to
8003  Bourne shell and upward-compatible shells like the Korn shell and Bash  Bourne shell and upward-compatible shells like the Korn shell and Bash
8004  have evolved over the years, but to prevent trouble, do not take  have evolved over the years, but to prevent trouble, do not take
8005  advantage of features that were added after @sc{unix} version 7, circa  advantage of features that were added after @sc{unix} version 7, circa
8006  1977.  You should not use shell functions, aliases, negated character  1977 (@pxref{Systemology}).
8007    
8008    You should not use shell functions, aliases, negated character
8009  classes, or other features that are not found in all Bourne-compatible  classes, or other features that are not found in all Bourne-compatible
8010  shells; restrict yourself to the lowest common denominator.  Even  shells; restrict yourself to the lowest common denominator.  Even
8011  @code{unset} is not supported by all shells!  Also, include a space  @code{unset} is not supported by all shells!  Also, include a space

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