I just downloaded an unzipped the PortableNVU package and I found that the PortableNVU.ini file contains the keywords for the PortableThunderbird application. ... Maybe this should be corrected in next version.
New: Run-Command (Dec 2, 2024), Platform 29.5.3 (Jun 27, 2024)
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Yeah, the example INI is the PTB version. And, it will be corrected in a later release.
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