readme: use string_list instead of space deliminations

Now this is possible in cgitrc -

readme=:README.md
readme=:readme.md
readme=:README.mkd
readme=:readme.mkd
readme=:README.rst
readme=:readme.rst
readme=:README.html
readme=:readme.html
readme=:README.htm
readme=:readme.htm
readme=:README.txt
readme=:readme.txt
readme=:README
readme=:readme
readme=:INSTALL.txt
readme=:install.txt
readme=:INSTALL
readme=:install

Suggested-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 file changed, 3 insertions, 2 deletions

diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 12a843b..6437ef4 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -290,8 +290,9 @@ project-list::
 
 readme::
 	Text which will be used as default value for "repo.readme". Multiple
-	files may be specified, separated by a space, and cgit will use the
-	first found file in this list. Default value: none.
+	config keys may be specified, and cgit will use the first found file
+	in this list. This is useful in conjunction with scan-path. Default
+	value: none. See also: scan-path, repo.readme.
 
 remove-suffix::
 	If set to "1" and scan-path is enabled, if any repositories are found