nls: do some manual adjustment of whitespace in the compose sequences

This achieves a more consistent vertical alignment (per group) of the
target character and the trailing comments.

(Most blocks were aligned in some fashion, except the "Greek Extended"
block, which has lines of greatly varying lengths.)

Signed-off-by: Benno Schulenberg <bensberg@telfort.nl>
4 jobs for whitespace in 9 minutes and 14 seconds