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For printf formatting, a check is done to see if the number of arguments matches the number of printf formatting placeholders. The escape code `%%` that is used for representing a literal `%` is also counted as a placeholder, but no argument will be provided for that one. This makes it impossible to use something like `("%f%%", percentage)` in the code. In such case, one gets the error: `Found 2 printf-patterns (%f, %%), but 1 args were given!` This commit fixes this behavior by omitting the `%%` from the matches. Co-authored-by: Maurice Makaay <mmakaay1@xs4all.net>
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