- java.text.SimpleDateFormat.parse parses the RFC1123/1036/asctime patterns
(day/month names, 2-digit-year sliding window, tz token), and .format renders
z/Z/X timezone tokens (GMT/+0000/Z) instead of emitting them literally. Date
gains toLocalDate/toLocalDateTime/before/after/equals. Fixes ring.util.time.
- read / read+string work over a host java.io reader (StringReader wrapped in a
PushbackReader): drain, parse one form, push the tail back. Fixes cuerdas
istr / << string interpolation (and selmer's <<), which read embedded forms
from the template via (read pushback-reader).
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