s_(i,j)
i1 : s = "I did not do that!" o1 = I did not do that!
i2 : "." | s_(6,7) | "." o2 = .not do .
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/Macaulay2Doc/operators/underscore.m2:109:0.