are likewise prohibited from being a different encoding from their
32-bit scalar versions.
-Limitations of this scheme is that 32-bit Scalar operations have to have
+Limitations of this scheme is that new 32-bit Scalar operations have to have
a 32-bit "escape-sequence" in front of them. If commonly-used this could
increase binary size. Thus the Encodings EXT300-363 and EXT200-263 should
only be allocated for less-popular operations. However the scheme does