Textmate, by default creates annoying hidden ‘._’ files that litter your svn status listings. These resource fork files will store cursor position, bookmarks and text folding as metadata. It is however possible to disable resource fork use in textmate.

Close textmate and run the following in terminal: defaults write com.macromates.textmate OakDocumentDisableFSMetaData 1 Source: http://manual.macromates.com/en/saving_files