Every format and spelling at once.
| what | image |
|---|---|
| exactly 1 MB png | |
| jpeg named .png | |
| svg | |
| gif | |
| webp | |
| space in name | |
| unicode name | |
| same file, spelling 1 | |
| same file, spelling 2 | |
| same file, spelling 1 again |
 and a plain link stay untouched.
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