[dkhenry]

Either the author has a shiny new keyboard with a λ key, or they really really like to copy and paste.

[friendly_chap]

Syntax error: Either data constructor not in scope.

Perhaps you meant one of these:

   Left "the author has a shiny new keyboard with a λ key"

   Right "they really really like to copy and paste"

[loup-vaillant]

Shiny new keyboard: http://bepo.fr/

[gruseom]

Or a programmable text editor. I bind λ to S-l in emacs.