libgtksourceview-1.0.so.0: cannot open shared object file

[firefighter]

Thanks for help although it hasn't helped a lot. I am using Debian Linux and I have installed the libgtksourceview via APT (the greatest package management system). An older version of libgtksourceview isn't available anymore (but I could try to compile an older one - but thats a dirty method)...

[Loriel]

You will have to use a pre-2.0 version of gtksourceview, whether your distribution ships one or not.