1 files changed, 3 insertions, 0 deletions
diff --git a/man.7 b/man.7
index 594973cf..4236c537 100644
--- a/man.7
+++ b/man.7
@@ -910,6 +910,9 @@ language.
 .Pp
 .Bl -dash -compact
 .It
+The \es (font size), \em (font colour), and \eM (font filling colour)
+font decoration escapes are all discarded in mandoc.
+.It
 In quoted literals, GNU troff allowed pair-wise double-quotes to produce
 a standalone double-quote in formatted output.
 It is not known whether this behaviour is exhibited by other formatters.