# DEFINE: %{foo}=Hello World
# DEFINE: %{foo}=Hello \
# DEFINE: World
# RUN: echo '%{foo}'
# CHECK: ValueError: Substitution whose pattern contains '%{foo}' is already defined before '{{DEFINE}}:' directive from line [[#@LINE-4]] to [[#@LINE-3]]
# CHECK: Unresolved: 1 {{\([0-9]*.[0-9]*%\)}}