When using the custom command line option in the open-with dialog, full path names are not accepted:
foo %f -> file is opened
/usr/bin/foo %f -> nothing happens, debug says "bin1 = /usr/bin/foo"
Version 1.0 is in feature freeze and string freeze now.
Let's fix this later in 1.5.
You seem to have CSS turned off.
Please don't fill out this field.
this may requires some changes in the UI.
Let's do it later.
We hope this issue is completely fixed in the Git repository recently.
Check it out when it's possible for you and if the bug still exists then reopen the report, please.
Thank you very much.