concat \xe0
} \xe0
test util-4.7 {Tcl_ConcatObj - refCount safety} testconcatobj {
    # Check for Bug #1447328 (actually, bugs in its original "fix"). One of the
    # symptoms was Bug #2055782.
    testconcatobj
} {}
test util-4.8 {Tcl_ConcatObj - [Bug 26649439c7]} {
    concat [list foo] [list #]
} {foo {#}}

proc Wrapper_Tcl_StringMatch {pattern string} {
    # Forces use of Tcl_StringMatch, not Tcl_UniCharCaseMatch
    switch -glob -- $string $pattern {return 1} default {return 0}
}
test util-5.1 {Tcl_StringMatch} {
    Wrapper_Tcl_StringMatch ab*c abc