Four characters from Greek Extended block missing?

Hello, in the Greek Extended block, five of the lower-case characters do not have upper-case equivalents, viz. U+1FE4 GREEK SMALL LETTER RHO WITH PSILI U+1F50 GREEK SMALL LETTER UPSILON WITH PSILI U+1F52 GREEK SMALL LETTER UPSILON WITH PSILI AND VARIA U+1F54 GREEK SMALL LETTER UPSILON

Re: Four characters from Greek Extended block missing?

Otto Stolz asked: in the Greek Extended block, five of the lower-case characters do not have upper-case equivalents, viz. U+1FE4 GREEK SMALL LETTER RHO WITH PSILI U+1F50 GREEK SMALL LETTER UPSILON WITH PSILI U+1F52 GREEK SMALL LETTER UPSILON WITH PSILI AND VARIA U+1F54 GREEK SMALL

Re: Four characters from Greek Extended block missing?

On Fri, 16 Feb 2001, Otto Stolz wrote: So the questions are: - are the above-mentioned lower-case upsilon composites useless, and entered Unicode only by an oversight, or - are their upper-case equivalents missing by an oversight, or - is there indeed a rationale for this anomaly? The