#once #create message.ND.LPOne of the most common problems in using neqn is forgettingto leave spaces or tildes around "magic" words like "pi"or "int" or "sum".  The result is that the magic wordscease to be magic, and just look like ordinary stringsof letters.In the file "Example", there are several such errors.Find them, and fix them so the output lookslike this, then type "ready"..pl 1#once #create Ref.LP.EQsum ~=~ pi ~+~1.EN.EQa~=~ pi (x).EN.EQalpha ~=~ beta ~+~ gamma ~+~ delta.EN.pl 1#once #create Example.LP.EQsum=pi+1.EN.EQa=pi(x).EN.EQalpha=beta+gamma+delta.EN.pl 1##once neqn Ref | nroff >X1 &#once neqn message Ref | nroff -T$term %s/tinyms -#userneqn Example | nroff >X2#cmp X1 X2#log#next3.1a 10