provide some check in comment like following:
check comment: "text in quoters with spaces " is entered
and commit:
commit fails with the following error:

C:\ClearCase\Irina_p1\IrinaTestVOB\spring_smoke\src\ccc\bbb\eee\ddd_rere\ddd\Foo.java
Error:Error:Error executing cleartool ci -c "check comment: \\"text in quoters with spaces \\" is entered" -identical C:\ClearCase\Irina_p1\IrinaTestVOB\spring_smoke\src\ccc\bbb\eee\ddd_rere\ddd\Foo.java : cleartool: Error: Element name not found: "in".
cleartool: Error: Element name not found: "quoters".
cleartool: Error: Element name not found: "with".
cleartool: Error: Element name not found: "spaces".
cleartool: Error: Element name not found: "\ is entered".
cleartool: Error: Element name not found: "-identical".
cleartool: Error: By default, won't create version with data identical to predecessor.
cleartool: Error: Unable to check in "C:\ClearCase\Irina_p1\IrinaTestVOB\spring_smoke\src\ccc\bbb\eee\ddd_rere\ddd\Foo.java".