doc: Fix operator precedence chart.
authorBen Pfaff <blp@cs.stanford.edu>
Sat, 12 Jun 2021 21:39:20 +0000 (14:39 -0700)
committerBen Pfaff <blp@cs.stanford.edu>
Sat, 12 Jun 2021 21:46:14 +0000 (14:46 -0700)
commitf28909ad7b8374f226cbed5edf928484442131c3
tree2cf209fa00fdbb51fbfdbe9040f69d417c716259
parenta4a5dfabf4309e73a3508e1e257b6b53e4c8ecd6
doc: Fix operator precedence chart.

Also, improve a few entries.
doc/expressions.texi