actually the section and the key separated by a dot, and the value will be
escaped.
-If you want to set/unset an option which can occur on multiple lines, you
-should provide a POSIX regex for the value. If you want to handle the lines
-*not* matching the regex, just prepend a single exclamation mark in front
-(see EXAMPLES).
+If you want to set/unset an option which can occur on multiple
+lines, a POSIX regexp `value_regex` needs to be given. Only the
+existing values that match the regexp are updated or unset. If
+you want to handle the lines that do *not* match the regex, just
+prepend a single exclamation mark in front (see EXAMPLES).
The type specifier can be either '--int' or '--bool', which will make
'git-repo-config' ensure that the variable(s) are of the given type and
a "true" or "false" string for bool). If no type specifier is passed,
no checks or transformations are performed on the value.
-This command will fail if
+This command will fail if:
-. .git/config is invalid,
-. .git/config can not be written to,
+. The .git/config file is invalid,
+. Can not write to .git/config,
. no section was provided,
. the section or key is invalid,
. you try to unset an option which does not exist, or