Created attachment 123622 [details] trival example, odp file I add equation formulas to a presentation document in OpenOffice Impress and save as pptx ("Microsoft Powerpoint 2007-2013 XML"). When I then open the pptx file in OpenOffice, the formula is lost, blank. The box for the formula is still there, I can find it by pressing tab. But it is empty and it cannot be edited. I am attaching a trivial example with a new default presentation (no template), adding one formula (just to the right of the text "Formula:"), y=x^2. I saved the document from LibreOffice first as odp, and then saved as pptx. Microsoft Office 2010 (14.0.6023.1000 32 bit) can read both the odp and the pptx file with some success. Office says both are damaged and tries to repair them. It shows the odp properly formatted after repairing. Office shows the pptx file after repairing, but misrenders the formula as y =x^2 instead of y=x^2 But LibreOffice does not show the formula in the pptx file at all. (It reads the odp file fine, of course)
Created attachment 123623 [details] trvial example, saved as Microsoft Powerpoint 2007-2013 XML .pptx
I can not confirm with LO Version: 5.2.0.0.alpha0+, win7. After save as pttx and reopen in LO is formula correct. Powerpoint2010 can open the file without warnings. Seems to be fixed with dev version. Please could you test it with dev version? You can download it here: http://dev-builds.libreoffice.org/daily/master/ Thanks
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You're right, the problem seems to be fixed in LO 5.2. The equation in the test pptx document "y=x^2" is now showing more or less the same as in the odp document (with a minor shift in font size and placement). This latest test is on LibreOffice Version: 5.2.2.2.0+, Build ID: 1:5.2.2~rc2-2
I have saved both files in ODP and PPTX and I can open them both with Libre Office version 5.2.2.2 and the formula is the same on both. However when I open the PPTX file with WPS Kingsoft(10.1.0.5672) then the formula has disappeared completely.
Confirming pptx saved in LibO works in LibO. Closing as WFM. Drew: the display difference is because PowerPoint uses a different font and thus the formula box is not wide enough. This causes the formula to be wrapped to two lines. Win 8.1 32-bit MSO 2013 LibO Version: 5.3.0.0.alpha1+ Build ID: c5f5b3e5334c52502c1de28828a44ad469c68850 CPU Threads: 4; OS Version: Windows 6.2; UI Render: default; Layout Engine: new; TinderBox: Win-x86@62-merge-TDF, Branch:MASTER, Time: 2016-11-14_06:24:19 Locale: fi-FI (fi_FI); Calc: group