https://bugs.freedesktop.org/show_bug.cgi?id=79082
--- Comment #4 from Piet van Oostrum <[email protected]> --- I found the problem. I loaded the Tabs.ppt file in Powerpoint (the real one on Windows) and the tabs were there. So the problem appears to be on importing the PPT file in Impress. In libreoffice-4.3.2.2/filter/source/msfilter/svdfppt.cxx, line 6160 there is a line if ( mbTab ) // makes it sense to apply tabsettings which makes setting the tab stops in a paragraph conditional upon there being real tabs in the paragraph, supposedly as a kind of optimization. On a slide master the tabs are retained, however. This is bad for 3 reasons: 1. It is not a good idea to throw away information that a user has put deliberately in a file. 2. If the user intends to edit the imported PPT file, and add some tabs then (s)he has to recreate the tabs. 3. [This is the most serious one]. In Powerpoint 97-2003 a text frame can only have one sets of tab stops for all paragraphs. When a PPT file is saved in e.g. Powerpoint 2007 or 2010, the tab stops of the first paragraph of the text frame is used and the tab stops of the subsequent paragraphs in the same text frame disappear. The Impress PPT export code does the same as it has no choice. Now suppose the imported PPT file has the first paragraph without tabs in it but the next one does have them. Then when you make some change to the file and save it again as PPT, the tabs in the text frame will be replaced by the default tab stops because the tab stops of the first paragraph had been deleted on the import. So that test should be eliminated. As mbTab is only used for this purpose also the code to set it can be eliminated. There was also a second issue, that the default tabs that were in the imported presentation had an offset of 0.3 cm. This is caused by the fact that the default tab stops that the paragraph gets come from the slide master. The paragraph in the slide master has an indent of 0.3 cm (in this presentation), because it is bulleted. Now in PPT tab stops are relative to the left margin of the text frame, but in Impress they are relative to the text indent. So on import export this has to be compensated, which is just what happened. -- You are receiving this mail because: You are the assignee for the bug.
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