The configuration variables in the 'imap' section are described
in linkgit:git-imap-send[1].
+index.version::
+ Specify the version with which new index files should be
+ initialized. This does not affect existing repositories.
+
init.templatedir::
Specify the directory from which templates will be copied.
(See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].)