Function: kcell:set-attr
kcell:set-attr is a function alias for plist-put, defined in fns.c.
Signature
(kcell:set-attr PLIST PROP VAL &optional PREDICATE)
Documentation
Change value in PLIST of PROP to VAL.
PLIST is a property list, which is a list of the form
(PROP1 VALUE1 PROP2 VALUE2 ...).
The comparison with PROP is done using PREDICATE, which defaults to eq.
If PROP is already a property on the list, its value is set to VAL,
otherwise the new PROP VAL pair is added. The new plist is returned;
use (setq x (plist-put x prop val)) to be sure to use the new value.
The PLIST is modified by side effects.