Better way to copy private data to clipboard in rich text format:
* use the same "sourceDocument" as for plain copy
* use PrivateBrowsingUtils.privacyContextFromWindow(), if available
Russian (ru) translation for %RT% placeholder
Use multiline tooltip for placeholders
Fix missing placeholders in en-US locale
Merge pull request #44 from Infocatcher/patch-6

Better way to copy private data to clipboard in rich text format
Merge pull request #45 from Infocatcher/patch-7

Use multiline tooltip for placeholders + update ru locale and fix en-US locale
Add Infocatcher to the list of contributors
Update history topics