Differences between glyphs in release-6.5.6 and release-6.7

Removed C232 (which is reintroduced later). It's not an hippopotamus. Introduced I96 and variants (corrected in the next version).

Code release-6.5.6 release-6.7
C232 n/a
I136
I136VARA n/a
I96
I96VARA n/a