The gedit way impose a limitation, I'm not sure that's better for the users, what is wrong with having the choice to truncate the text if you want to move the sidebar? Would you prefer to not let the option to user who would like to use it?
The gedit way impose a limitation, I'm not sure that's better for the users, what is wrong with having the choice to truncate the text if you want to move the sidebar? Would you prefer to not let the option to user who would like to use it?