Can't trace script not in PATH

["LORANG Geert" <geert.lorang@xxxxxxxxxxxxxxx>]

Hello,

We use zsh in ksh mode, but you get the same behavior when using zsh.
Could someone explain me following behavior? 

$ cat /home/geert/bin/testscript
#!/bin/ksh
echo called

$ export PATH=$PATH:/home/geert/bin

$ ksh -x /home/geert/bin/testscript
+ /usr/bin/id -un
+ [ geert '!=' root ']'
+ KSH_FLAGS=x
+ echo x
+ grep i
+ [ -n '' ']'
+ [ -r /home/geert/.kshrc ']'
+ . /home/geert/.kshrc
+ zmodload -ab -i zsh/rlimits ulimit
+ ulimit -c 4194303 -s 65536
+ set -o nohashcmds
+ echo called <========== trace of the script
called

No problem so far...

$ ksh -x testscript
testscript: can't open input file: testscript 

Ksh/zsh won't search PATH... I could try -c ...

$ ksh -x -c testscript
+ /usr/bin/id -un
+ [ geert '!=' root ']'
+ KSH_FLAGS=x
+ echo x
+ grep i
+ [ -n '' ']'
+ [ -r /home/geert/.kshrc ']'
+ . /home/geert/.kshrc
+ zmodload -ab -i zsh/rlimits ulimit
+ ulimit -c 4194303 -s 65536
+ set -o nohashcmds
+ testscript <========== NO trace
called

Now it does search PATH but the actual trace of the script is missing.
Though it does trace /etc/kshrc but not the actual script.

So, is this a bug? Or is there a way to let zsh/ksh search the PATH when
you invoke a script? (Like the original ksh)

Regards,
Geert

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