William D Clinger scripsit:

> In that case, may I have your permission to use your spans proposal
> and SRFI 130 as guides to the operations that should be provided by
> that hypothetical SRFI specifying immutable texts?

With my blessings.  The copyright licenses are clear enough: do what
you will with the texts.

--
John Cowan          http://www.ccil.org/~cowan        xxxxxx@ccil.org
Barry thirteen gules and argent on a canton azure fifty mullets of five
points of the second,  six, five, six, five, six, five, six, five, and six.
        --blazoning the U.S. flag