SOLVED in rc7.1rc5
SUP-61613
/system scheduler with 2 lines shows error in syntax at export it.
/import test.rsc show error of importing scheduler.
Reproduction: create a scheduler and paste this extreme of code:
# comment
local abc1 123
export to file, remove it, try import.

no workaround by long version :local name=abc1 value=123
SOLVED in rc7.1rc5