- If "%" in filename, the filename is used with sprintf to generate a
- filename from a counter for multi-file/flipbook animation. The file
- sequence ends when numeric discontinuity >100. If the file sequence
- does not begin with the count of 100, you can also embed the number
- of the first image between the "%" and a "d", "i", or "u".
+ If "%" in filename, the filename is used with sprintf to generate a
+ filename from a counter for multi-file/flipbook animation. The file
+ sequence ends when numeric discontinuity >100. If the file sequence
+ does not begin with the count of 100, you can also embed the number
+ of the first image between the "%" and a "d", "i", or "u".