-The \fBuse_legacy_coding\fP function is an extension to the curses library.
-It allows the caller to change the result of \fBunctrl\fP,
-and suppress related checks within the library that would normally
-cause nonprinting characters to be rendered in visible form.
-This affects only 8-bit characters.
+.B \%use_legacy_coding
+is an extension to the
+.I curses
+library.
+It allows the caller to change the result of \fB\%unctrl\fP(3X),
+suppressing \fI\%isprint\fP(3)-based checks within the library that
+would normally cause nonprinting characters to be rendered in visible
+form.
+The alteration affects only eight-bit characters.