[WIP] #326 : PowerPoint97 Reader : Fix for Slide Note#342

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Progi1984 wants to merge 3 commits intoPHPOffice:masterfrom

Progi1984:issue326

Commits on Mar 6, 2017

#326 : PowerPoint97 Reader : Fix for Slide Note
Progi1984
committed

Commits on Aug 23, 2017

Merge branch 'develop' into issue326
Progi1984
committed

Commits on Jun 10, 2019

Merge branch 'develop' into issue326
Progi1984
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