Note discarding of \m, \M, and \s in COMPATIBILITY sections.

2 files changed, 7 insertions, 1 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.
diff --git a/mdoc.7 b/mdoc.7
index 7709cf43..f7bc161e 100644
--- a/mdoc.7
+++ b/mdoc.7
@@ -2429,6 +2429,9 @@ Heirloom troff, the other significant troff implementation accepting
 .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
 Old groff fails to assert a newline before
 .Sx \&Bd Fl ragged compact .
 .It
@@ -2476,7 +2479,7 @@ pseudo-macro as a line macro.
 mandoc does.
 .It
 The comment syntax
-.Sq \e."
+.Sq \e\."
 is no longer accepted.
 .It
 In groff, the