[Emacs-diffs] emacs-26 27964af: In frame parameters documentation mention desktop saving/restoring

[Martin Rudalics]

branch: emacs-26
commit 27964af438c9a25dedd2e7bccb1a11ddfe679858
Author: Martin Rudalics <address@hidden>
Commit: Martin Rudalics <address@hidden>

    In frame parameters documentation mention desktop saving/restoring
    
    * doc/lispref/frames.texi (Frame Parameters): Mention that
    applications have to care about which parameters they want to
    get saved and restored by the desktop library.
---
 doc/lispref/frames.texi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index 5ea7125..a146061 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -1210,6 +1210,13 @@ terminal supports colors, the parameters 
@code{foreground-color},
 @code{display-type} are also meaningful.  If the terminal supports
 frame transparency, the parameter @code{alpha} is also meaningful.
 
+  By default, frame parameters are saved and restored by the desktop
+library functions (@pxref{Desktop Save Mode}) when the variable
address@hidden is address@hidden  It's the
+responsibility of applications that their parameters are included in
address@hidden to avoid that they get
+meaningless or even harmful values in restored sessions.
+
 @menu
 * Parameter Access::       How to change a frame's parameters.
 * Initial Parameters::     Specifying frame parameters when you make a frame.