Makefile: help-variables: Document MANWIDTH and NROFF_OUT_DEVICE

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/Makefile b/Makefile
index 07396d792dca7d635fc9e3288750e897b56d5e56..a05a195c88d9ad092047a9bb14c6ba827d21c2fb 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -174,6 +174,8 @@ help-variables:
        $(info  )
        $(info  # Command variables (and flags):)
        $(info  )
+       $(info  -               MANWIDTH)
+       $(info  -               NROFF_OUT_DEVICE)
        $(info  PRECONV         {EXTRA_,}PRECONVFLAGS)
        $(info  TBL)
        $(info  EQN             {EXTRA_,}EQNFLAGS)