Reword IEEE adherence in Numerics guide

The fixing of infix:</> was defered until 6.e

Author: zoffixznet

doc/Language/numerics.pod6

@@ -270,11 +270,11 @@ In many languages division by zero is an immediate exception. In Perl 6, what
 happens depends on what you're dividing and how you use the result.
 
 Perl 6 follows L<IEEE 754-2008 Standard for Floating-Point Arithmetic|https://en.wikipedia.org/wiki/IEEE_754>, but for historical reasons
-6.c language does not comply fully. L<Num> division by zero produces a
-L<Failure>, while L<Complex> division by zero produces C<NaN> components,
-regardless of what the numerator is.
+6.c and 6.d language versions do not comply fully. L<Num> division by zero
+produces a L<Failure>, while L<Complex> division by zero produces C<NaN>
+components, regardless of what the numerator is.
 
-As of 6.d language, both L<Num> and L<Complex> division by zero will produce a
+As of 6.e language, both L<Num> and L<Complex> division by zero will produce a
 -L<Inf|/type/Num#Inf>, C<+Inf>, or L<NaN> depending on whether the numerator was
 negative, positive, or zero, respectively (for L<Complex> the real and imaginary
 components are L<Num> and are considered separately).