when reopen vertical style Presentation file got error

[huqitu du]

hi, everybody
    when I use Presentaion make a vertical style file and save it and
reopen this file, the vertical text will be make one line what ever the
text much long, so how can I fix this problem , where the Presentaion code
make new line for vertical text.
you can open the aa.odp in the attachment.

thank's a lot.
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