Implement the roff(7) font-escape sequence \f(BI "bold+italic".

This improves the formatting of about 40 base manuals
and reduces groff-mandoc formatting differences in base by about 5%.

1 files changed, 1 insertions, 0 deletions

diff --git a/mandoc.h b/mandoc.h
index 09dd6567..5aab0d97 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -380,6 +380,7 @@ enum	mandoc_esc {
 	ESCAPE_FONT, /* a generic font mode */
 	ESCAPE_FONTBOLD, /* bold font mode */
 	ESCAPE_FONTITALIC, /* italic font mode */
+	ESCAPE_FONTBI, /* bold italic font mode */
 	ESCAPE_FONTROMAN, /* roman font mode */
 	ESCAPE_FONTPREV, /* previous font mode */
 	ESCAPE_NUMBERED, /* a numbered glyph */