The poems of a writer's old age may enact a self-questioning commentary, a revision or repudiation of earlier positions.
"Call It Sleep" functions almost like the Torah, an ur-text from another age, while "Mercy of a Rude Stream" is like the Talmud, a series of commentaries and revisions that enforce the authority of that primal text even as they transform it.
TB, GF, LG, PJ, JM, CM, JS & CvW contributed substantially to the intellectual content of the paper through providing critical commentary, interpretation and revisions.
SRP: Study design, provided commentary for earlier drafts, critical revision of the manuscript and contributed to writing the final manuscript.
AR, provided comments and revisions to the commentary and is a member of the External Steering committee for the proposed project and MH, provided comments and revisions to the commentary and is the lead researcher for the proposed project.
KT, provided comments and revisions to the commentary and is a principal member of the research team for the proposed project.
AH, provided comments and revisions to the commentary and is a principal member of the research team for the proposed project.
JN, provided comments and revisions to the commentary and is a principal member of the research team for the proposed project.
CS, provided comments and revisions to the commentary and is a principal member of the research team for the proposed project.
Scholars now believe that at least some of these deviations from commentary proper derive from a later revision of the original exegesis.
