Another small text space usability: option to show right margin (aka print marign)
-rw-r--r-- 36200 CMakeLists.txt
-rw-r--r-- 302 COPYING
-rw-r--r-- 2385 GNUmakefile
-rw-r--r-- 24600 SConstruct
drwxr-xr-x - build_files
drwxr-xr-x - doc
drwxr-xr-x - extern
drwxr-xr-x - intern
drwxr-xr-x - release
drwxr-xr-x - source