This is not a problem with Rosetta, the problem is that knoda is tagging incorrectly that string. It should be have %% instead of % or the .po file should not have the 'c-format' tag.
This is not a problem with Rosetta, the problem is that knoda is tagging incorrectly that string. It should be have %% instead of % or the .po file should not have the 'c-format' tag.