export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
export EDITOR VISUAL
-case $(echo $GIT_TRACE |tr [A-Z] [a-z]) in
+case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
1|2|true)
echo "* warning: Some tests will not work if GIT_TRACE" \
"is set as to trace on STDERR ! *"