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Diffstat (limited to 'lisp/custom.el')
| -rw-r--r-- | lisp/custom.el | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/custom.el b/lisp/custom.el index fa77e5c2c56..083349e3591 100644 --- a/lisp/custom.el +++ b/lisp/custom.el @@ -280,7 +280,9 @@ The following keywords are meaningful: when using the Customize user interface. It takes two arguments, the symbol to set and the value to give it. The function should not modify its value argument destructively. The default choice - of function is `set-default-toplevel-value'. + of function is `set-default-toplevel-value'. If this keyword is + defined, modifying the value of SYMBOL via `setopt' will call the + function specified by VALUE to install the new value. :get VALUE should be a function to extract the value of symbol. The function takes one argument, a symbol, and should return the current value for that symbol. The default choice of function |