.nr _0 \n(c. .\" @(#)eqn.me 2.1 8/18/80 .\" This version has had comments stripped; an unstripped version is available. .de EQ .ec .if !\\n(?e \ \{\ . if "\\n(.z"|e" .tm Line \\n(c. -- Nested .EQ request . @D 1 "\\$1" "\\$2" . @C 2 . di |e .\} .ls 1 .in 0 .nf .. .de EN .br .ie "\\$1"C" \ \{\ . nr ?e 1 . sp \\n(esu .\} .el \ \{\ . nr ?e 0 . di . if \\n(dn \ . @q . rm |e . rm 10 . rm 11 . rm 12 . rm 13 . rm 14 . rm 15 . rm 16 . rm 17 . rm 18 . rm 19 . rm 20 . rm 21 . rm 22 . rm 23 . ev .\} .. .de @q .nr _Q \\n(dnu .ev .sp \\n(esu .@C 2 .ie \\n(_d=1 \ . in (\\n(.lu+\\n($iu-\\n(dlu)/2u .el .ie \\n(_d=2 \ . in \\n($iu .el .ie \\n(_d=3 \ . in \\n(biu+\\n($iu .el .if \\n(_d=4 \ . in 0 .if !"\\n(.z"" \!.ne \\n(_Qu .ne \\n(_Qu+\n(.Vu .mk _q .if !"\\*(|p"" \ \{\ . rs . sp (\\n(_Qu-\\n(.vu)/2u . tl """\\*(|p" . rt \\n(_qu .\} .|e .sp |\\n(_qu+\\n(_Qu .sp \\n(esu+\\n(.Lv-1v .rr _q .rr _Q .. .nr c. \n(_0