Ubuntu used a patch for this, but it's just a work-around for now and multiple upstream's developers told me that is not the right approach to use. -- debbug#555134 ...
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ID Status▲ Resolution▼ Sev Product Comp Assignee▲ Reporter Summary▲
16187 NEW --- nor Sisyphus kdegraph nobody led don't resume window size

File a new bug in the "kdegraphics-kpdf" component of the "Sisyphus" product