rjlparshap – Support for use of \parshape in LaTeX

The pack­age pro­vides macros and en­vi­ron­ments that re­lieve the pro­gram­mer of some of the dif­fi­cul­ties of us­ing \par­shape in LaTeX macros. It does not ac­tu­ally cal­cu­late shapes in the way that the shapepar pack­age does.