For example, the MH-E package updates this alist as follows:
- (add-to-list 'customize-package-emacs-version-alist
- '(MH-E (\"6.0\" . \"22.1\") (\"6.1\" . \"22.1\")
+ (add-to-list \\='customize-package-emacs-version-alist
+ \\='(MH-E (\"6.0\" . \"22.1\") (\"6.1\" . \"22.1\")
(\"7.0\" . \"22.1\") (\"7.1\" . \"22.1\")
(\"7.2\" . \"22.1\") (\"7.3\" . \"22.1\")
(\"7.4\" . \"22.1\") (\"8.0\" . \"22.1\")))