Re: new image library "requirements"

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

Sascha Wilde wrote:
>>> ----  WARNING ----
>>> The following functionalities will be missing in your compilation of
>>> Emacs because of missing development libraries (specify
>>> -without-FEATURE to omit warning about such a missing feature):
>>>
>>> jpeg: used for displaying jpeg image files
>>> tiff: used for displaying tiff image files
>>> xpm: used for displaying xpm image files and color icons
>>> alsa: used for playing sounds from within Emacs
>> Including a short description of the consequences when such a
>> functionality is missing.
> 
> Please don't make this unnecessary verbose.  I think "The following
> functionalities will be missing ... displaying jpeg image files"
> perfectly clear.  People building complex software like emacs from
> source should be able to understand this messages and its
> consequences.

Point to some documentation.