nothings/stb — pull request #10 by saitoha (2014-06-15 05:13:45+00:00)
Title: Add quick support for loading BMP v5 header

ImageMagick's convert(1) creates BMP images that have bitmap header version 5.
I think stb_image.h should load this format.

Test image:
https://raw.githubusercontent.com/saitoha/libsixel/master/images/snake.bmp