[M3commit] [modula3/cm3] 4810c9: Naming and comments.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/modula3/cm3
  Commit: 4810c9795ba26f93eb2e1d42ffa255ea1f6be0a0
      https://github.com/modula3/cm3/commit/4810c9795ba26f93eb2e1d42ffa255ea1f6be0a0
  Author: Rodney Bates <rodney.m.bates at acm.org>
  Date:   2017-12-08 (Fri, 08 Dec 2017)

  Changed paths:
    M m3-sys/m3front/src/exprs/ArrayExpr.m3
    M m3-sys/m3front/src/exprs/CastExpr.m3
    M m3-sys/m3front/src/exprs/EqualExpr.m3
    M m3-sys/m3front/src/types/OpenArrayType.i3
    M m3-sys/m3front/src/types/OpenArrayType.m3
    M m3-sys/m3front/src/types/SubrangeType.m3
    M m3-sys/m3front/src/types/TypeRep.i3
    M m3-sys/m3front/src/values/Formal.m3

  Log Message:
  -----------
  Naming and comments.

Clarify some things that were a hard fight to dig out.