>> (defun thumbs-thumbname (img)
>> "Return a thumbnail name for the image IMG."
>> (concat thumbs-thumbsdir "/"
>> (convert-standard-filename
>> (subst-char-in-string ?/ ?\| (expand-file-name img)))))
ELISP> (thumbs-thumbname "C:/store/test/ycbcr-cat.tif")
> "c:/usr/home/.emacs-thumb/C:!store!test!ycbcr-cat.tif"
> which is not a valid name (the ":"). In fact, that was the error that
> took me down this path.
Oh, right. So the docstring should be fixed to make it clear that the
argument should be an *absolute* file name. And maybe we then need another
function "convert-standard-filename-element" for the non-directory
components of a file name.
Can someone confirm that the patch below is correct?
Stefan
--- orig/lisp/files.el
+++ mod/lisp/files.el
@@ -514,6 +514,10 @@
This means to guarantee valid names and perhaps to canonicalize
certain patterns.
+FILENAME should be an absolute file name since the conversion rules
+sometimes vary depending on the position in the file name. E.g. c:/foo
+is a valid DOS file name, but c:/bar/c:/foo is not.
+
This function's standard definition is trivial; it just returns
the argument. However, on Windows and DOS, replace invalid
characters. On DOS, make sure to obey the 8.3 limitations. On
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