Fixed indentation in example code for publisher doc.
Fixed indentation in example code for publisher doc.


carlmcdade/mod_python,dacaiguoguo/mod_python,grisha/mod_python,carlmcdade/mod_python,runt18/mod_python,grisha/mod_python,dacaiguoguo/mod_python,grisha/mod_python,runt18/mod_python,carlmcdade/mod_python,dacaiguoguo/mod_python,runt18/mod_python