+ string))
+
+(defcustom gnutls-trustfiles
+ '(
+ "/etc/ssl/certs/ca-certificates.crt" ; Debian, Ubuntu, Gentoo and Arch Linux
+ "/etc/pki/tls/certs/ca-bundle.crt" ; Fedora and RHEL
+ "/etc/ssl/ca-bundle.pem" ; Suse
+ "/usr/ssl/certs/ca-bundle.crt" ; Cygwin
+ )
+ "List of CA bundle location filenames or a function returning said list.
+The files may be in PEM or DER format, as per the GnuTLS documentation.
+The files may not exist, in which case they will be ignored."
+ :group 'gnutls
+ :type '(choice (function :tag "Function to produce list of bundle filenames")
+ (repeat (file :tag "Bundle filename"))))