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-rw-r--r--man/groff.7.man8
1 files changed, 7 insertions, 1 deletions
diff --git a/man/groff.7.man b/man/groff.7.man
index a7c62a1f4..891d852be 100644
--- a/man/groff.7.man
+++ b/man/groff.7.man
@@ -3426,7 +3426,13 @@ and filename to
.TPx
.REQ .lg "N"
Set ligature mode to
-.IR N .
+.I N
+.RB ( 0
+= disable,
+.B 1
+= enable,
+.B 2
+= enable for two-letter ligatures only).
.
.TPx
.REQ .ll