Make the documentation more readable by displaying fixed-width text (which is used to refer to variables and functions) in a different color.


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1339 632fc199-4ca6-4c93-a231-07263d6284db
Clean up notes using the doxygen @note command


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1341 632fc199-4ca6-4c93-a231-07263d6284db
Clean up and consolidate notes regarding the YUV image format.  This also corrects a factual error regarding the padding of the luminance plane-- because we now support 4:1:1, the component width is not necessarily padded to the nearest multiple of 2 if horizontal subsampling is used.


git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1342 632fc199-4ca6-4c93-a231-07263d6284db