scheme-report-environment instead of null-environment in r7rs small

[safinaskar]

I think I found an error in https://github.com/johnwcowan/r7rs-spec/blob/errata/spec/r7rs.pdf . On page 55 I see this:

(scheme-report-environment version) ... The effect of defining or assigning (through the use of eval) an identifier bound in a scheme-report-environment (for example car) is unspecified. ... (null-environment version) ... The effect of defining or assigning (through the use of eval) an identifier bound in a scheme-report-environment (for example car) is unspecified

It seems in last sentence null-environment should be

[johnwcowan]

Agreed. Posted to scheme-reports-wg1@groups.google.com.