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Use text-pixels values only when saving framesets (Bug#30141)

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* lisp/frameset.el (frameset-persistent-filter-alist): Specify
that text-pixels values are by default only saved by framesets
so the parameter is not set when restoring (Bug#30141).
This commit is contained in:
Aaron Jensen 2018-01-22 10:52:32 +01:00 • committed by Martin Rudalics
parent 6b01b9475d
commit fa582153f7
1 changed files with 34 additions and 28 deletions
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16
lisp/frameset.el
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@ -230,11 +230,10 @@ Properties can be set with
;; filtering functions) is copied to FILTERED as is. Keyword values :save,
;; :restore and :never tell the function to copy CURRENT to FILTERED in the
;; respective situations, that is, when saving, restoring, or never at all.
;; Values :save and :restore are not used in this package, because usually if
;; you don't want to save a parameter, you don't want to restore it either.
;; But they can be useful, for example, if you already have a saved frameset
;; created with some intent, and want to reuse it for a different objective
;; where the expected parameter list has different requirements.
;; Values :save and :restore can be useful, for example, if you already
;; have a saved frameset created with some intent, and want to reuse it for
;; a different objective where the expected parameter list has different
;; requirements.
;;
;; Finally, the value can also be a filtering function, or a filtering
;; function plus some arguments. The function is called for each matching
@ -291,6 +290,11 @@ Properties can be set with
;; So, in general, not saving `name' is the right thing to do, though
;; surely there are applications that will want to override this filter.
;;
;; - `frameset--text-pixel-height', `frameset--text-pixel-width': These are used to
;; save the pixel width and height of a frame. They are necessary
;; during restore, but should not be set on the actual frame after
;; restoring, so `:save' is used to ensure they are only saved.
;;
;; - `font', `fullscreen', `height' and `width': These parameters suffer
;; from the fact that they are badly mangled when going through a
;; tty session, though not all in the same way. When saving a GUI frame
@ -453,6 +457,8 @@ DO NOT MODIFY. See `frameset-filter-alist' for a full description.")
(delete-before . :never)
(font . frameset-filter-font-param)
(foreground-color . frameset-filter-sanitize-color)
(frameset--text-pixel-height . :save)
(frameset--text-pixel-width . :save)
(fullscreen . frameset-filter-shelve-param)
(GUI:font . frameset-filter-unshelve-param)
(GUI:fullscreen . frameset-filter-unshelve-param)