[cl-typesetting-devel] A couple of bugs?
Marc Battyani
marc.battyani at fractalconcept.com
Wed Oct 13 18:07:29 UTC 2004
Björn Lindberg wrote:
>I just managed to install cl-typesetting on CMUCL 19/Linux/x86, and
>had to overcome a couple of difficulties to succeed:
>
>1) In boxes.lisp, the generic function
>
> (defgeneric v-split ((box v-mode-mixin) dx dy)
> ;;; Split a v-mode box vertically into two parts
> ;; Args: dx - area width, dy - area height
> ;; Values: box-fitted, box-left, dy-left
> (:method (box dx dy)
> (declare (ignore dx))
> (if (> (dy box) dy)
> (values nil box dy)
> (values box nil (- dy (dy box))))))
>
>should reasonably look like this
>
> (defgeneric v-split (box dx dy)
> ;;; Split a v-mode box vertically into two parts
> ;; Args: dx - area width, dy - area height
> ;; Values: box-fitted, box-left, dy-left
> (:method ((box v-mode-mixin) dx dy)
> (declare (ignore dx))
> (if (> (dy box) dy)
> (values nil box dy)
> (values box nil (- dy (dy box))))))
>
>Ie the argument specialization is moved from the GF lambda list down
>to the method lambda list.
You are right, it should be a generic function lambda list, not a
specialized one.
I never use defgeneric with methods included in the definition as I think
it's not readable and not searchable (by grep, etc.)
I will correct this and put a separate defmethod.
>2) The file iterate/iterate.lisp in cl-pdf is stored in DOS format,
> which breaks the format invocation at line 737ff. I had to convert
> it to Unix format.
Line 737ff ?
Marc
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