modernc.org/knuth@v0.0.4/web/testdata/ctan.org/tex-archive/systems/knuth/dist/tex/glue.ch (about) 1 @x 2 @d decr(#) == #:=#-1 {decrease a variable by unity} 3 @y 4 @d decr(#) == #:=#-1 {decrease a variable by unity} 5 @d write_ln(#)==writeln(#) 6 @z