README info-image.el

This is proof of concept code for using images with Emacs' Info
viewer.  Find the latest version at:

    http://lilypond.org/~jan/info-image/

Get texinfo CVS, apply the patch

    texinfo.patch

that makes makinfo write the new image tags.  Run

    ./bootstrap.sh
    ./configure
    make all install

Put the files

    GNUmakefile
    dir
    image-example.texi
    info-image.el

together in a directory and run make.  Start emacs, find info-image.el
(C-x load-library RET "info-image" RET), enter Info mode (C-h i),
and select first node (* image-example).

To bring images to Info, we need three things:

  1. An image tag for the info format
  2. An image command in texinfo that writes the image tag
  3. A viewer that displays images for each image tag

The image tag I'm using is:

    ^@^H[image src=<image-filename>[ param=value]^@^H]

as this makes some sense in a non-image enabled Info viewer.

I'm using texinfo's @image command to write the image tags.  Makeinfo
no longer demands the existence of a .txt file for an image if a real
image exists, and puts any .txt contents into the image tag with
parameter text.