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-rw-r--r--src/cmd/troff/ni.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cmd/troff/ni.c b/src/cmd/troff/ni.c
index a80cec64..27a0ff3d 100644
--- a/src/cmd/troff/ni.c
+++ b/src/cmd/troff/ni.c
@@ -70,6 +70,7 @@ Contab contab[NM] = {
C(PAIR('n', 'r'), casenr),
C(PAIR('i', 'f'), caseif),
C(PAIR('i', 'e'), caseie),
+ C(PAIR('e', 'i'), caseei),
C(PAIR('e', 'l'), caseel),
C(PAIR('p', 'o'), casepo),
C(PAIR('t', 'l'), casetl),