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Document `package-quickstart' in the user manual

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* doc/emacs/package.texi (Package Installation): Document
`package-quickstart' (bug#44748).
This commit is contained in:
Stefan Kangas 2021-05-13 13:45:04 +02:00 • committed by Lars Ingebrigtsen
parent 0e69c85d7d
commit 218001e484
1 changed files with 17 additions and 6 deletions
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23
doc/emacs/package.texi
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@ -416,12 +416,12 @@ just make some new commands available, while others have more
wide-ranging effects on the Emacs session. For such information,
consult the package's help buffer.
After a package is installed, it is automatically made available by
Emacs in all subsequent sessions. This happens at startup, before
processing the init file but after processing the early init file
(@pxref{Early Init File}). As an exception, Emacs does not make
packages available at startup if invoked with the @samp{-q} or
@samp{--no-init-file} options (@pxref{Initial Options}).
Installed packages are automatically made available by Emacs in all
subsequent sessions. This happens at startup, before processing the
init file but after processing the early init file (@pxref{Early Init
File}). As an exception, Emacs does not make packages available at
startup if invoked with the @samp{-q} or @samp{--no-init-file} options
(@pxref{Initial Options}).
@vindex package-enable-at-startup
To keep Emacs from automatically making packages available at
@ -430,6 +430,17 @@ startup, change the variable @code{package-enable-at-startup} to
is read before loading the regular init file. Currently this variable
cannot be set via Customize.
@findex package-quickstart-refresh
@vindex package-quickstart
If you have many packages installed, you can improve startup times
by setting the user option @code{package-quickstart} to @code{t}.
Setting this option will make Emacs precompute many things instead of
re-computing them on every Emacs startup. However, if you do this,
then you have to manually run the command
@code{package-quickstart-refresh} when the activations need to be
changed, such as when you change the value of
@code{package-load-list}.
@findex package-activate-all
If you have set @code{package-enable-at-startup} to @code{nil}, you
can still make packages available either during or after startup. To