tkz-lin­kn­odes – Link nodes in math­e­mat­i­cal en­vi­ron­ments

The pack­age arose from a re­quire­ment to link the el­e­ments of an ams­math­align or aligned en­vi­ron­ment. The pack­age makes use of PGF/TikZ.
The pack­age doc­u­men­ta­tion re­lies on the fa­cil­i­ties of the tkz-doc bun­dle