The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces. The default tab size is 8 spaces.