Ask if user s/he wants to delete key instead of saving an empty value
tree1200f28b667682aec0ed93fe1d5703ebfded4703
-rw-r--r-- 429 .gitignore
-rw-r--r-- 444 .gitmodules
-rw-r--r-- 224 .mailmap
-rw-r--r-- 220 .tgitconfig
drwxr-xr-x - Languages
-rw-r--r-- 2173 build.txt
drwxr-xr-x - common
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rw-r--r-- 1742 release.txt
drwxr-xr-x - src
drwxr-xr-x - test