Matt McHenry a2a0a58f7c less: improve default settings (#139988) ...

* less: enable by default and set LESS=-R via lesskey

* since we set PAGER=less, programs.less.enable should default to
  true.

* some programs, notably git, set a custom LESS environment if none is
  present.  using the lesskey mechanism to set LESS=-R lets such
  programs continue to run less as they see fit.

This reverts commit 0e7b4e60a8.

* less: remove use of deprecated lesskey binary format

* less: enable in environment.nix rather than less.nix

per discussion in #139988

2021-10-05 11:13:48 +02:00

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