"Whether to create backup files.
This variable takes the same values as the `version-control'
variable."
+ :version "21.4"
:group 'gnus-start
:type '(choice (const :tag "Never" never)
(const :tag "If existing" nil)
the buffer or write directly to the file. The buffer is faster
because all of the contents are written at once. The direct write
uses considerably less memory."
+ :version "21.4"
:group 'gnus-start
:type '(choice (const :tag "Write via buffer" t)
(const :tag "Write directly to file" nil)))