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authorJose Antonio Ortega Ruiz <jao@gnu.org>2012-09-02 23:06:03 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2012-09-02 23:06:03 +0200
commit032e8d1e4d30169238819d963003a00b013ab11e (patch)
tree9b9f5047ef179311a97d194770b94416d20b4f98 /doc/parens.texi
parent52dc30c7e6277e950fa3fab89030a258be0cfd9a (diff)
downloadgeiser-032e8d1e4d30169238819d963003a00b013ab11e.tar.gz
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Image support documented in user manual
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diff --git a/doc/parens.texi b/doc/parens.texi
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@@ -440,9 +440,16 @@ way, but it also teleports you to REPL after the evaluation.
region. Again, there's an @i{and-go} version available,
@code{geiser-eval-region-and-go}, bound to @kbd{C-c M-r}.
+@cindex evaluating images
+@cindex image display
For all the commands above, the result of the evaluation is displayed in
the minibuffer, unless it causes a (Scheme-side) error (@pxref{To err
-perchance to debug}).
+perchance to debug}), or, for schemes supporting them (such as Racket),
+the evaluation yields an image, in which case you'll see it in popping
+up in the Geiser debug buffer (if your Emacs runs under the auspices of
+a graphical toolkit), or via an external viewer if you set
+@c{geiser-image-viewer} to the path of an appropriate visualization
+program (see also @ref{Seeing is believing} for more on image support).
At the risk of repeating myself, i'll remind you that all these
evaluations will take place in the namespace of the module corresponding