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view lisp/font-menu.el @ 4677:8f1ee2d15784
Support full Common Lisp multiple values in C.
lisp/ChangeLog
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el :
Update this file to support full C-level multiple values. This
involves:
-- Four new bytecodes, and special compiler functions to compile
multiple-value-call, multiple-value-list-internal, values,
values-list, and, since it now needs to pass back multiple values
and is a special form, throw.
-- There's a new compiler variable, byte-compile-checks-on-load,
which is a list of forms that are evaluated at the very start of a
file, with an error thrown if any of them give nil.
-- The header is now inserted *after* compilation, giving a chance
for the compilation process to influence what those checks
are. There is still a check done before compilation for non-ASCII
characters, to try to turn off dynamic docstrings if appopriate,
in `byte-compile-maybe-reset-coding'.
Space is reserved for checks; comments describing the version of
the byte compiler generating the file are inserted if space
remains for them.
* bytecomp.el (byte-compile-version):
Update this, we're a newer version of the byte compiler.
* byte-optimize.el (byte-optimize-funcall):
Correct a comment.
* bytecomp.el (byte-compile-lapcode):
Discard the arg with byte-multiple-value-call.
* bytecomp.el (byte-compile-checks-and-comments-space):
New variable, describe how many octets to reserve for checks at
the start of byte-compiled files.
* cl-compat.el:
Remove the fake multiple-value implementation. Have the functions
that use it use the real multiple-value implementation instead.
* cl-macs.el (cl-block-wrapper, cl-block-throw):
Revise the byte-compile properties of these symbols to work now
we've made throw into a special form; keep the byte-compile
properties as anonymous lambdas, since we don't have docstrings
for them.
* cl-macs.el (multiple-value-bind, multiple-value-setq)
(multiple-value-list, nth-value):
Update these functions to work with the C support for multiple
values.
* cl-macs.el (values):
Modify the setf handler for this to call
#'multiple-value-list-internal appropriately.
* cl-macs.el (cl-setf-do-store):
If the store form is a cons, treat it specially as wrapping the
store value.
* cl.el (cl-block-wrapper):
Make this an alias of #'and, not #'identity, since it needs to
pass back multiple values.
* cl.el (multiple-value-apply):
We no longer support this, mark it obsolete.
* lisp-mode.el (eval-interactive-verbose):
Remove a useless space in the docstring.
* lisp-mode.el (eval-interactive):
Update this function and its docstring. It now passes back a list,
basically wrapping any eval calls with multiple-value-list. This
allows multiple values to be printed by default in *scratch*.
* lisp-mode.el (prin1-list-as-multiple-values):
New function, printing a list as multiple values in the manner of
Bruno Haible's clisp, separating each entry with " ;\n".
* lisp-mode.el (eval-last-sexp):
Call #'prin1-list-as-multiple-values on the return value of
#'eval-interactive.
* lisp-mode.el (eval-defun):
Call #'prin1-list-as-multiple-values on the return value of
#'eval-interactive.
* mouse.el (mouse-eval-sexp):
Deal with lists corresponding to multiple values from
#'eval-interactive. Call #'cl-prettyprint, which is always
available, instead of sometimes calling #'pprint and sometimes
falling back to prin1.
* obsolete.el (obsolete-throw):
New function, called from eval.c when #'funcall encounters an
attempt to call #'throw (now a special form) as a function. Only
needed for compatibility with 21.4 byte-code.
man/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* cl.texi (Organization):
Remove references to the obsolete multiple-value emulating code.
src/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* bytecode.c (enum Opcode /* Byte codes */):
Add four new bytecodes, to deal with multiple values.
(POP_WITH_MULTIPLE_VALUES): New macro.
(POP): Modify this macro to ignore multiple values.
(DISCARD_PRESERVING_MULTIPLE_VALUES): New macro.
(DISCARD): Modify this macro to ignore multiple values.
(TOP_WITH_MULTIPLE_VALUES): New macro.
(TOP_ADDRESS): New macro.
(TOP): Modify this macro to ignore multiple values.
(TOP_LVALUE): New macro.
(Bcall): Ignore multiple values where appropriate.
(Breturn): Pass back multiple values.
(Bdup): Preserve multiple values.
Use TOP_LVALUE with most bytecodes that assign anything to
anything.
(Bbind_multiple_value_limits, Bmultiple_value_call,
Bmultiple_value_list_internal, Bthrow): Implement the new
bytecodes.
(Bgotoifnilelsepop, Bgotoifnonnilelsepop, BRgotoifnilelsepop,
BRgotoifnonnilelsepop):
Discard any multiple values.
* callint.c (Fcall_interactively):
Ignore multiple values when calling #'eval, in two places.
* device-x.c (x_IO_error_handler):
* macros.c (pop_kbd_macro_event):
* eval.c (Fsignal):
* eval.c (flagged_a_squirmer):
Call throw_or_bomb_out, not Fthrow, now that the latter is a
special form.
* eval.c:
Make Qthrow, Qobsolete_throw available as symbols.
Provide multiple_value_current_limit, multiple-values-limit (the
latter as specified by Common Lisp.
* eval.c (For):
Ignore multiple values when comparing with Qnil, but pass any
multiple values back for the last arg.
* eval.c (Fand):
Ditto.
* eval.c (Fif):
Ignore multiple values when examining the result of the
condition.
* eval.c (Fcond):
Ignore multiple values when comparing what the clauses give, but
pass them back if a clause gave non-nil.
* eval.c (Fprog2):
Never pass back multiple values.
* eval.c (FletX, Flet):
Ignore multiple when evaluating what exactly symbols should be
bound to.
* eval.c (Fwhile):
Ignore multiple values when evaluating the test.
* eval.c (Fsetq, Fdefvar, Fdefconst):
Ignore multiple values.
* eval.c (Fthrow):
Declare this as a special form; ignore multiple values for TAG,
preserve them for VALUE.
* eval.c (throw_or_bomb_out):
Make this available to other files, now Fthrow is a special form.
* eval.c (Feval):
Ignore multiple values when calling a compiled function, a
non-special-form subr, or a lambda expression.
* eval.c (Ffuncall):
If we attempt to call #'throw (now a special form) as a function,
don't error, call #'obsolete-throw instead.
* eval.c (make_multiple_value, multiple_value_aset)
(multiple_value_aref, print_multiple_value, mark_multiple_value)
(size_multiple_value):
Implement the multiple_value type. Add a long comment describing
our implementation.
* eval.c (bind_multiple_value_limits):
New function, used by the bytecode and by #'multiple-value-call,
#'multiple-value-list-internal.
* eval.c (multiple_value_call):
New function, used by the bytecode and #'multiple-value-call.
* eval.c (Fmultiple_value_call):
New special form.
* eval.c (multiple_value_list_internal):
New function, used by the byte code and
#'multiple-value-list-internal.
* eval.c (Fmultiple_value_list_internal, Fmultiple_value_prog1):
New special forms.
* eval.c (Fvalues, Fvalues_list):
New Lisp functions.
* eval.c (values2):
New function, for C code returning multiple values.
* eval.c (syms_of_eval):
Make our new Lisp functions and symbols available.
* eval.c (multiple-values-limit):
Make this available to Lisp.
* event-msw.c (dde_eval_string):
* event-stream.c (execute_help_form):
* glade.c (connector):
* glyphs-widget.c (glyph_instantiator_to_glyph):
* glyphs.c (evaluate_xpm_color_symbols):
* gui-x.c (wv_set_evalable_slot, button_item_to_widget_value):
* gui.c (gui_item_value, gui_item_display_flush_left):
* lread.c (check_if_suppressed):
* menubar-gtk.c (menu_convert, menu_descriptor_to_widget_1):
* menubar-msw.c (populate_menu_add_item):
* print.c (Fwith_output_to_temp_buffer):
* symbols.c (Fsetq_default):
Ignore multiple values when calling Feval.
* symeval.h:
Add the header declarations necessary for the multiple-values
implementation.
* inline.c:
#include symeval.h, now that it has some inline functions.
* lisp.h:
Update Fthrow's declaration. Make throw_or_bomb_out available to
all files.
* lrecord.h (enum lrecord_type):
Add the multiple_value type here.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sun, 16 Aug 2009 20:55:49 +0100 |
| parents | 049dc907c17a |
| children | 3889ef128488 308d34e9f07d |
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;; font-menu.el --- Managing menus of fonts. ;; Copyright (C) 1994 Free Software Foundation, Inc. ;; Copyright (C) 1995 Tinker Systems and INS Engineering Corp. ;; Copyright (C) 1997 Sun Microsystems ;; Adapted from x-font-menu.el by Andy Piper <andy@xemacs.org> ;; This file is part of XEmacs. ;; XEmacs is free software; you can redistribute it and/or modify it ;; under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 2, or (at your option) ;; any later version. ;; XEmacs is distributed in the hope that it will be useful, but ;; WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;; General Public License for more details. ;; You should have received a copy of the GNU General Public License ;; along with XEmacs; see the file COPYING. If not, write to the ;; Free Software Foundation, 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;; This file contains the device-nospecific font menu stuff ;;; Commentary: ;;; ;;; Creates three menus, "Font", "Size", and "Weight", and puts them on the ;;; "Options" menu. The contents of these menus are the superset of those ;;; properties available on any fonts, but only the intersection of the three ;;; sets is selectable at one time. ;;; ;;; Known Problems: ;;; =============== ;;; Items on the Font menu are selectable if and only if that font exists in ;;; the same size and weight as the current font. This means that some fonts ;;; are simply not reachable from some other fonts - if only one font comes ;;; in only one point size (like "Nil", which comes only in 2), you will never ;;; be able to select it. It would be better if the items on the Fonts menu ;;; were always selectable, and selecting them would set the size to be the ;;; closest size to the current font's size. ;;; ;;; This attempts to change all other faces in an analogous way to the change ;;; that was made to the default face; if it can't, it will skip over the face. ;;; However, this could leave incongruous font sizes around, which may cause ;;; some nonreversibility problems if further changes are made. Perhaps it ;;; should remember the initial fonts of all faces, and derive all subsequent ;;; fonts from that initial state. ;;; ;;; xfontsel(1) is a lot more flexible (but probably harder to understand). ;;; ;;; The code to construct menus from all of the x11 fonts available from the ;;; server is autoloaded and executed the very first time that one of the Font ;;; menus is selected on each device. That is, if XEmacs has frames on two ;;; different devices, then separate font menu information will be maintained ;;; for each X display. If the font path changes after emacs has already ;;; asked the X server on a particular display for its list of fonts, this ;;; won't notice. Also, the first time that a font menu is posted on each ;;; display will entail a lengthy delay, but that's better than slowing down ;;; XEmacs startup. At any time (i.e.: after a font-path change or ;;; immediately after device creation), you can call ;;; `reset-device-font-menus' to rebuild the menus from all currently ;;; available fonts. ;;; ;;; There are at least three kinds of fonts under X11r5: ;;; ;;; - bitmap fonts, which can be assumed to look as good as possible; ;;; - bitmap fonts which have been (or can be) automatically scaled to ;;; a new size, and which almost always look awful; ;;; - and true outline fonts, which should look ok at any size, but in ;;; practice (on at least some systems) look awful at any size, and ;;; even in theory are unlikely ever to look as good as non-scaled ;;; bitmap fonts. ;;; ;;; It would be nice to get this code to look for non-scaled bitmap fonts ;;; first, then outline fonts, then scaled bitmap fonts as a last resort. ;;; But it's not clear to me how to tell them apart based on their truenames ;;; and/or the result of XListFonts(). I welcome any and all explanations ;;; of the subtleties involved... ;;; ;;; ;;; If You Think You'Re Seeing A Bug: ;;; ================================= ;;; When reporting problems, send the following information: ;;; ;;; - Exactly what behavior you're seeing; ;;; - The output of the `xlsfonts' program; ;;; - The value of the variable `device-fonts-cache'; ;;; - The values of the following expressions, both before and after ;;; making a selection from any of the fonts-related menus: ;;; (face-font 'default) ;;; (font-truename (face-font 'default)) ;;; (font-properties (face-font 'default)) ;;; - The values of the following variables after making a selection: ;;; font-menu-preferred-resolution ;;; font-menu-registry-encoding ;;; ;;; There is a common misconception that "*-courier-medium-r-*-11-*", also ;;; known as "-adobe-courier-medium-r-normal--11-80-100-100-m-60-iso8859-1", ;;; is an 11-point font. It is not -- it is an 11-pixel font at 100dpi, ;;; which is an 8-point font (the number after -11- is the size in tenths ;;; of points). So if you expect to be seeing an "11" entry in the "Size" ;;; menu and are not, this may be why. ;;; ;;; In the real world (aka Solaris), one has to deal with fonts that ;;; appear to be medium-i but are really light-r, and fonts that ;;; resolve to different resolutions depending on the charset: ;;; ;;; (font-instance-truename ;;; (make-font-instance "-*-mincho-medium-i-normal-*-*-*-*-*-*-*-jisx0201*-*")) ;;; ==> ;;; "-morisawa-ryumin light kl-light-r-normal--10-100-72-72-m-50-jisx0201.1976-0" ;;; ;;; (font-list "-dt-interface user-medium-r-normal-s*-*-*-*-*-*-*-*-*") ;;; ==> ;;; ("-dt-interface user-medium-r-normal-s sans-12-120-72-72-m-70-iso8859-1" ;;; "-dt-interface user-medium-r-normal-s-14-120-75-75-m-120-jisx0208.1983-0" ;;; "-dt-interface user-medium-r-normal-s-14-120-75-75-m-60-jisx0201.1976-0") ;;;###autoload (defcustom font-menu-ignore-scaled-fonts nil "*If non-nil, the font menu shows only bitmap fonts. Bitmap fonts at their design size are generally noticably higher quality than scaled fonts, unless the device is capable of interpreting antialiasing hints. In general, setting this option non-`nil' is useful mostly on older X servers. Not all devices make the distinction between bitmap and scaled fonts." :type 'boolean :group 'font-menu) ;;;###autoload (defcustom font-menu-this-frame-only-p nil "*If non-nil, the menu affects the default font only on the selected frame." :type 'boolean :group 'font-menu) (defcustom font-menu-max-number nil "The maximum number of fonts retrieved from the display." :type 'integer :group 'font-menu) (defvaralias 'font-menu-max-items 'menu-max-items) (defvaralias 'font-menu-submenu-name-format 'menu-submenu-name-format) ;; #### Need to update for fontconfig/Xft? Document form for MS Windows. (defvar font-menu-preferred-resolution (make-specifier-and-init 'generic '((global ((mswindows) . ":") ((gtk) . "*-*") ((x) . "*-*"))) t) "Generic specifier containing preferred resolution as a string. Do not `setq' this variable; use `set-specifier'. For X11 and GTK devices, the instance value will be interpolated into an XLFD, and looks like \"75-75\").") (defvar font-menu-size-scaling (make-specifier-and-init 'integer '((global ((mswindows) . 1) ((gtk) . 10) ((x) . 10))) t) "Generic specifier containing scale factor for font sizes. Don't touch. This is really a device type constant. Some devices specify size in points \(MS Windows), others in decipoints (X11).") (defvar device-fonts-cache nil "Alist mapping devices to font lists and font menus. Don't use this. Instead, use the function `device-fonts-cache' which lazily updates this variable, and returns the value for the selected device. Each element has the form (DEVICE . [FONT-LIST FAMILY SIZE WEIGHT]) where FAMILY, SIZE, and WEIGHT denote menus.") (defsubst device-fonts-cache () (or (cdr (assq (selected-device) device-fonts-cache)) (and (reset-device-font-menus (selected-device)) (cdr (assq (selected-device) device-fonts-cache))))) ;;;###autoload (fset 'install-font-menus 'reset-device-font-menus) (make-obsolete 'install-font-menus 'reset-device-font-menus) ;;;###autoload (defun reset-device-font-menus (&optional device debug) "Generates the `Font', `Size', and `Weight' submenus for the Options menu. This is run the first time that a font-menu is needed for each device. If you don't like the lazy invocation of this function, you can add it to `create-device-hook' and that will make the font menus respond more quickly when they are selected for the first time. If you add fonts to your system, or if you change your font path, you can call this to re-initialize the menus." (if (or noninteractive (not (or device (setq device (selected-device))))) nil (message "Getting list of fonts from server... ") (call-device-method 'reset-device-font-menus device device debug) (message "Getting list of fonts from server... done."))) ;;;###autoload (defun font-menu-family-constructor (ignored) (catch 'menu (unless (console-on-window-system-p) (throw 'menu '(["Cannot parse current font" ding nil]))) (let* ((dcache (device-fonts-cache)) (font-data (font-menu-font-data 'default dcache)) (entry (aref font-data 0)) (family (aref font-data 1)) (size (aref font-data 2)) (weight (aref font-data 3)) f) (unless family (throw 'menu '(["Cannot parse current font" ding nil]))) ;; Items on the Font menu are enabled iff that font exists in ;; the same size and weight as the current font (scalable fonts ;; exist in every size). Only the current font is marked as ;; selected. (menu-split-long-menu (mapcar (lambda (item) (setq f (menu-item-strip-accelerator-spec (aref item 0)) entry (vassoc f (aref dcache 0))) (if (and (or (member weight (aref entry 1)) ;; mswindows often allows any weight (member "" (aref entry 1))) (or (member size (aref entry 2)) (and (not font-menu-ignore-scaled-fonts) (member 0 (aref entry 2))))) (enable-menu-item item) (disable-menu-item item)) (if (string-equal family f) (select-toggle-menu-item item) (deselect-toggle-menu-item item)) item) (aref dcache 1)))))) (define-device-method* font-menu-font-data) ;;;###autoload (defun font-menu-size-constructor (ignored) (catch 'menu (unless (console-on-window-system-p) (throw 'menu '(["Cannot parse current font" ding nil]))) (let* ((dcache (device-fonts-cache)) (font-data (font-menu-font-data 'default dcache)) (entry (aref font-data 0)) (family (aref font-data 1)) (size (aref font-data 2)) ;;(weight (aref font-data 3)) s) (unless family (throw 'menu '(["Cannot parse current font" ding nil]))) ;; Items on the Size menu are enabled iff current font has ;; that size. Only the size of the current font is selected. ;; (If the current font comes in size 0, it is scalable, and ;; thus has every size.) (mapcar (lambda (item) (setq s (nth 3 (aref item 1))) (if (or (member s (aref entry 2)) (and (not font-menu-ignore-scaled-fonts) (member 0 (aref entry 2)))) (enable-menu-item item) (disable-menu-item item)) ;; #### God save the Queen! ;; well, if this fails because s or size is non-numeric, fuck 'em (if (= size (if (featurep 'xft-fonts) (float s) s)) (select-toggle-menu-item item) (deselect-toggle-menu-item item)) item) (submenu-generate-accelerator-spec (aref dcache 2)))))) ;;;###autoload (defun font-menu-weight-constructor (ignored) (catch 'menu (unless (console-on-window-system-p) (throw 'menu '(["Cannot parse current font" ding nil]))) (let* ((dcache (device-fonts-cache)) (font-data (font-menu-font-data 'default dcache)) (entry (aref font-data 0)) (family (aref font-data 1)) ;;(size (aref font-data 2)) (weight (aref font-data 3)) w) (unless family (throw 'menu '(["Cannot parse current font" ding nil]))) ;; Items on the Weight menu are enabled iff current font ;; has that weight. Only the weight of the current font ;; is selected. (mapcar (lambda (item) (setq w (aref item 0)) (if (member w (aref entry 1)) (enable-menu-item item) (disable-menu-item item)) (if (string-equal weight w) (select-toggle-menu-item item) (deselect-toggle-menu-item item)) item) (submenu-generate-accelerator-spec (aref dcache 3)))))) ;;; Changing font sizes (defun font-menu-set-font (family weight size) ;; This is what gets run when an item is selected from any of the three ;; fonts menus. It needs to be rather clever. ;; (size is measured in 10ths of points.) (let* ((dcache (device-fonts-cache)) (font-data (font-menu-font-data 'default dcache)) (from-family (aref font-data 1)) (from-size (aref font-data 2)) (from-weight (aref font-data 3)) (from-slant (aref font-data 4)) (face-list-to-change (delq 'default (face-list))) new-default-face-font) (unless from-family (signal 'error '("couldn't parse font name for default face"))) (when weight (signal 'error '("Setting weight currently not supported"))) (setq new-default-face-font (font-instance-name (font-menu-load-font (or family from-family) (or weight from-weight) (or size from-size) from-slant (specifier-instance font-menu-preferred-resolution (selected-device))))) ;; #### This is such a gross hack. The border-glyph face under ;; mswindows is in a symbol font. Thus it will not appear in the ;; cache - being a junk family. What we should do is change the ;; size but not the family, but this is more work than I care to ;; invest at the moment. (when (eq (device-type) 'mswindows) (setq face-list-to-change (delq 'border-glyph face-list-to-change))) (dolist (face face-list-to-change) (when (face-font-instance face) (message "Changing font of `%s'..." face) (condition-case c (font-menu-change-face face from-family from-weight from-size (or family from-family) (or weight from-weight) (or size from-size)) (error (message "Error updating font of `%s'" face) (display-error c nil) (sit-for 1))))) ;; Set the default face's font after hacking the other faces, so that ;; the frame size doesn't change until we are all done. ;; If we need to be frame local we do the changes ourselves. (if font-menu-this-frame-only-p ;;; WMP - we need to honor font-menu-this-frame-only-p here! (set-face-font 'default new-default-face-font (and font-menu-this-frame-only-p (selected-frame))) ;; OK Let Customize do it. (let ((fsize (if (featurep 'xft-fonts) (int-to-string (or size from-size)) (concat (int-to-string (/ (or size from-size) (specifier-instance font-menu-size-scaling (selected-device)))) "pt"))) new-spec-list) ;; If the font was initialised from X resources (the tag-set ;; contains 'x-resource) pretend to Custom that it has ;; responsibility for those settings. (map-specifier (face-font 'default) (lambda (spec locale inst-list arg) (loop for (tag-set . inst) in inst-list do (setq tag-set (delq 'x-resource tag-set) tag-set (delq 'custom tag-set) tag-set (cons 'custom tag-set)) (push (cons tag-set inst) new-spec-list) ;; Need to return nil, else map-specifier stops finally return nil)) nil nil '(x-resource)) (remove-specifier (face-font 'default) nil '(x-resource)) (when new-spec-list (add-spec-list-to-specifier (face-font 'default) (list (cons 'global new-spec-list)))) (custom-set-face-update-spec 'default (list (list 'type (device-type))) (list :family (or family from-family) :size fsize)))) (message "Font %s" (face-font-name 'default)))) ;; #### This should be called `font-menu-maybe-change-face' ;; I wonder if a better API wouldn't (face attribute from to) (defun font-menu-change-face (face from-family from-weight from-size to-family to-weight to-size) "Maybe update the font of FACE per TO-FAMILY, TO-WEIGHT, and TO-SIZE." (check-type face symbol) (let* ((dcache (device-fonts-cache)) (font-data (font-menu-font-data face dcache)) (face-family (aref font-data 1)) (face-size (aref font-data 2)) (face-weight (aref font-data 3)) (face-slant (aref font-data 4))) (or face-family (signal 'error (list "couldn't parse font name for face" face))) ;; If this face matches the old default face in the attribute we ;; are changing, then change it to the new attribute along that ;; dimension. Also, the face must have its own global attribute. ;; If its value is inherited, we don't touch it. If any of this ;; is not true, we leave it alone. (when (and (face-font face 'global) (cond (to-family (string-equal face-family from-family)) (to-weight (string-equal face-weight from-weight)) (to-size (= face-size from-size)))) (set-face-font face (font-instance-name (font-menu-load-font (or to-family face-family) (or to-weight face-weight) (or to-size face-size) face-slant (specifier-instance font-menu-preferred-resolution (selected-device)))) (and font-menu-this-frame-only-p (selected-frame)))))) (define-device-method font-menu-load-font) (defun flush-device-fonts-cache (device) ;; by Stig@hackvan.com (let ((elt (assq device device-fonts-cache))) (and elt (setq device-fonts-cache (delq elt device-fonts-cache))))) (add-hook 'delete-device-hook 'flush-device-fonts-cache) (provide 'font-menu) ;; font-menu ends here