Jim Allan answered Alan Wood's question: > Alan Wood posted on U+23D0 VERTICAL LINE EXTENSION: > > > Is it intended as a Unicode replacement for Vertical arrow extender in > > Symbol font? > > Yes. > > See http://std.dkuug.dk/JTC1/SC2/WG2/docs/n2508.htm for the proposal. > > The Unicode manual should probably indicate this use as a note as a > service to creators of fonts.
It does: http://www.unicode.org/charts/PDF/U2300.pdf 23D0 | VERTICAL LINE EXTENSION * used for extension of arrows -> 23AF - horizontal line extension --Ken