README revision 266527 
1251876SpeterKnown Problems with some *roff versions
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3251876SpeterIf you encounter the error:
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5251876SpeterUnknown escape sequence in input: 33, 133
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7251876Speterwhen trying to create op.txt then set the GROFF_NO_SGR environment
8251876Spetervariable (see grotty(1) man page), e.g.,
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10251876Spetercsh% setenv GROFF_NO_SGR 1
11251876Spetersh$ GROFF_NO_SGR=1; export GROFF_NO_SGR
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13251876Speter$Id: README,v 8.1 2004-07-20 20:25:10 ca Exp $
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