Select TEXT and “copy and paste” from LibreOffice-Calc to browser (Firefox) online-page
Select TEXT and “copy and paste” from browser (Firefox) online-page to LibreOffice-Calc and to text editor Mousepad
Display PDF with browser (Firefox) and Google Chrome
Print PDF with browser (Firefox)
Display PDF mail attachment with Thunderbird, select TEXT and copy and paste to another location
what does NOT work - result = garbage data:
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a) Display PDF with browser (Firefox), select the TEXT and copy and paste it somewhere else
(also does not work with tools like: XPDF, Google Chrome, )
b) Edit PDF with poppler-utils
c) Open PDF with LibreOffice-Draw
The tested pdfs are ok an other computer. It is the combination of the encrypted system, the desktop environment and the capability of the different programs with pdfs.