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-rw-r--r--usr.bin/learn/lib/eqn/L3.2c25
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diff --git a/usr.bin/learn/lib/eqn/L3.2c b/usr.bin/learn/lib/eqn/L3.2c
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+++ b/usr.bin/learn/lib/eqn/L3.2c
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+#once #create message
+.ND
+.PP
+Modify "Example" to produce this output, then type "ready".
+#once #create Ref
+.LP
+.EQ
+x sup 2 + y sup 2 = z sup 2
+.EN
+.pl 1
+#once #create Example
+.LP
+.EQ
+xxx
+.EN
+.pl 1
+#
+#once neqn Ref | nroff >X1 &
+#once neqn message Ref | nroff -T$term %s/tinyms -
+#user
+neqn Example | nroff >X2
+#cmp X1 X2
+#log
+#next
+3.1d 10