REQUIRE( maybe_spec.error() == LocalizedString::from_raw( R"(error: expected the end of input parsing a package spec; this usually means the indicated character is not allowed to be in a package spec. Port, triplet, and feature names are all lowercase alphanumeric+hypens.

on expression: zlib[core]:x86-windows#

^)") )

with expansion:

LL"error: expected the end of input parsing a package spec; this usually

means the indicated character is not allowed to be in a package spec. Port,

triplet, and feature names are all lowercase alphanumeric+hyphens.

on expression: zlib[core]:x86-windows#

^"

==