"svn diff" fails after creating a symlink to a non-file

I did:

dixsept:~/wd/mpfr> ln -s web/mpfr-2.1.0 current
dixsept:~/wd/mpfr> svn add current
A current

But "svn diff" fails:

dixsept:~/wd/mpfr> svn diff
svn: Can't read file 'current': Is a directory
zsh: exit 1 svn diff

Ditto when the destination doesn't exist:

dixsept:~/wd/mpfr> ln -s foo bar
dixsept:~/wd/mpfr> svn add bar
A bar
dixsept:~/wd/mpfr> svn diff
svn: Can't open file 'bar': No such file or directory
zsh: exit 1 svn diff

When the link is on a (real) file, "svn diff" doesn't fail, but
outputs a diff on the contents of the file instead of a diff on
the link value (which would probably better IMHO, and would work
in a more consistent way).

When the diff is done server-side, there are no problems:

dixsept:~/wd/mpfr> svn diff -r6279:6280
Index: current
===================================================================
--- current (revision 0)
+++ current (revision 6280)
@@ -0,0 +1 @@
+link web/mpfr-2.1.0
\ No newline at end of file

Property changes on: current
___________________________________________________________________
Name: svn:special
   + *

Should I fill a bug report on the issue tracker?
Searching on diff link returned no results.

I'm using svn, version 1.1.3 (r12730), latest Debian package.

-- 
Vincent Lefèvre <vincent_at_vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / SPACES project at LORIA
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