[Bug 1329059] Don't produce terminal control sequences in perldoc

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https://bugzilla.redhat.com/show_bug.cgi?id=1329059



--- Comment #4 from Pavel Raiskup <praiskup@xxxxxxxxxx> ---
(In reply to Pavel Raiskup from comment #3)
> In RHEL7, I'm able to reproduce it.  Perldoc does not set the LESS variable,
> can be debugged by:
> 
>   $ cat lesswrap
>   #! /bin/sh
>   env | grep -i less
>   less "$@"
> 
>   $ PAGER=./lesswrap perldoc perlreref
> 
> Petr, can you confirm?

While, of course, you can use:

  $ PERLDOCDEBUG=1 PAGER=./lesswrap perldoc perlreref
  $ # hit the CTRL^Z
  $ # open the temp file generated by perldoc to see that the color sequences
    # are there.

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