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* src/lisp.h (struct Lisp_Buffer_Local_Value): Update commentary.

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Noam Postavsky 2018-03-23 04:51:53 -04:00
parent 8c92a37cb4
commit b8ebf5fb64
1 changed files with 8 additions and 9 deletions
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src/lisp.h
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@ -2593,13 +2593,12 @@ struct Lisp_Buffer_Objfwd
variable, you must first make sure the right binding is loaded; variable, you must first make sure the right binding is loaded;
then you can access the value in (or through) `realvalue'. then you can access the value in (or through) `realvalue'.
`buffer' and `frame' are the buffer and frame for which the loaded `where' is the buffer for which the loaded binding was found. If
binding was found. If those have changed, to make sure the right it has changed, to make sure the right binding is loaded it is
binding is loaded it is necessary to find which binding goes with necessary to find which binding goes with the current buffer, then
the current buffer and selected frame, then load it. To load it, load it. To load it, first unload the previous binding, then copy
first unload the previous binding, then copy the value of the new the value of the new binding into `realvalue' (or through it).
binding into `realvalue' (or through it). Also update Also update LOADED-BINDING to point to the newly loaded binding.
LOADED-BINDING to point to the newly loaded binding.
`local_if_set' indicates that merely setting the variable creates a `local_if_set' indicates that merely setting the variable creates a
local binding for the current buffer. Otherwise the latter, setting local binding for the current buffer. Otherwise the latter, setting
@ -2615,14 +2614,14 @@ struct Lisp_Buffer_Local_Value
bool_bf found : 1; bool_bf found : 1;
/* If non-NULL, a forwarding to the C var where it should also be set. */ /* If non-NULL, a forwarding to the C var where it should also be set. */
union Lisp_Fwd *fwd; /* Should never be (Buffer|Kboard)_Objfwd. */ union Lisp_Fwd *fwd; /* Should never be (Buffer|Kboard)_Objfwd. */
/* The buffer or frame for which the loaded binding was found. */ /* The buffer for which the loaded binding was found. */
Lisp_Object where; Lisp_Object where;
/* A cons cell that holds the default value. It has the form /* A cons cell that holds the default value. It has the form
(SYMBOL . DEFAULT-VALUE). */ (SYMBOL . DEFAULT-VALUE). */
Lisp_Object defcell; Lisp_Object defcell;
/* The cons cell from `where's parameter alist. /* The cons cell from `where's parameter alist.
It always has the form (SYMBOL . VALUE) It always has the form (SYMBOL . VALUE)
Note that if `forward' is non-nil, VALUE may be out of date. Note that if `fwd' is non-NULL, VALUE may be out of date.
Also if the currently loaded binding is the default binding, then Also if the currently loaded binding is the default binding, then
this is `eq'ual to defcell. */ this is `eq'ual to defcell. */
Lisp_Object valcell; Lisp_Object valcell;