unison/unison-src/transcripts/upgrade-with-old-alias.md

myproject/main> builtins.merge lib.builtin

lib.old.foo = 141
lib.new.foo = 142
bar = 141
mything = lib.old.foo + 100

myproject/main> update
myproject/main> upgrade old new
myproject/main> view mything
myproject/main> view bar