--- awk-20180827/awk.1.orig	2018-08-28 23:05:48.000000000 +0300
+++ awk-20180827/awk.1	2019-11-12 10:26:19.668441900 +0300
@@ -7,12 +7,11 @@
 .fi
 .ft 1
 ..
-.TH AWK 1
-.CT 1 files prog_other
+.TH NAWK 1
 .SH NAME
-awk \- pattern-directed scanning and processing language
+nawk \- pattern-directed scanning and processing language
 .SH SYNOPSIS
-.B awk
+.B nawk
 [
 .BI \-F
 .I fs
@@ -31,7 +30,7 @@
 .I file ...
 ]
 .SH DESCRIPTION
-.I Awk
+.I Nawk
 scans each input
 .I file
 for lines that match any of a set of patterns specified literally in
@@ -198,7 +197,6 @@
 .B sqrt
 are built in.
 Other built-in functions:
-.TF length
 .TP
 .B length
 the length of its argument
@@ -426,10 +424,9 @@
 do not combine with other patterns.
 They may appear multiple times in a program and execute
 in the order they are read by
-.IR awk .
+.IR nawk .
 .PP
 Variable names with special meanings:
-.TF FILENAME
 .TP
 .B ARGC
 argument count, assignable.