-# Modern Groff versions (at least on Debian) don't support LESS_TERMCAP_* to
-# color man pages, set GROFF_NO_SGR as workaround. Also set LANG to C so that
-# hyphens are not replaced with unicode making it impossible to search for
-# options containg "-" or "--" in many man pages.
+# Groff versions >= 1.23 don't support LESS_TERMCAP_* to color man pages, set
+# GROFF_NO_SGR as workaround. Also set LANG to C so that hyphens are not
+# replaced with unicode making it impossible to search for options containg
+# "-" or "--" in many man pages (these are errors in the man page but very
+# common; Debian reverted this behavior in 1.23.0-3 but other distributions
+# might not).