Re: C file recoginzed as image file

[Chris Moore]

Charles Rendleman <address@hidden> writes:

> $ cat not_image_file.c
> #define
>
> $ emacs -Q not_image_file.c
> $

image.el has:

(defconst image-type-header-regexps
...
    ("\\`[\t\n\r ]*#define" . xbm)
...

so any file beginning with optional white space and then #define is
treated as an xbm image.

Similarly, any text file which starts with the 4 characters "GIF8" is
treated as if it was an image.