Attachment #144029
Example document. In first paragpraph main character and added combining diacritic mark via Insert Special Character menu. In second paragraph the same combination after copy to text editor (pluma) an application/vnd.oasis.opendocument.text 2018-08-08 13:07:15 UTC 8.13 KB no flags Details

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Attachment #144031
Font with anchors modified to emphasize this problem. application/x-font-ttf 2018-08-08 13:11:40 UTC 255.57 KB no flags Details

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Attachment #144033
First para is bad (after insert). Second is the same, after copy to txt and back (good).) image/png 2018-08-08 13:15:33 UTC 7.03 KB no flags Details