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spacemacs/layers/+spacemacs/spacemacs-defaults/README.org
bmag 8f82486154 Add support for native line numbers in Emacs 26 
Emacs 26.1 will introduce a new native line numbers feature:
"display-line-numbers". It includes relative line numbers, is faster than
current linum-mode, and doesn't use the margin area (it has its own area). So
yeah, we want to use the new feature when possible.

No changes are required on the user side, except for Emacs 26 users are
recommended to remove nlinum layer from their configuration (if they have
enabled it).

With this change:
- Emacs 26:
  - uses display-line-numbers by default.
  - linum and linum-relative packages are excluded.
- Emacs 25:
  - does NOT use display-line-numbers.
  - continues to use linum and linum-relative.
- nlinum layer:
  - can still be used as before in Emacs 25.
  - is NOT recommended in Emacs 26, but can be used.
  - when enabled, excludes display-line-numbers.

Also contains some bug fixes:

Fixes a bug where setting `dostpacemacs-line-numbers` to `t` or `relative`
enabled line numbers in every buffer, instead of only in buffers that derive
from prog-mode and text-mode.

Likewise fixes a bug where specifying `:enabled-for-modes nil` (or not
specifying `:enabled-for-modes` at all) in `dotspacemacs-line-numbers` settings
meant "enable in all modes" instead of "enable in modes derived from prog-mode
or text-mode".

Because of this change, also adds a way for users to enable line numbers
in *all* buffers.

Removes check for special buffer. All our current checks should be enough to
enable line numbers only where it makes sense. Disabling in all special buffers
is not necessary.
2018-05-28 19:29:15 +03:00

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spacemacs-defaults

Description

This layer configures mostly Emacs built-in packages to given them better defaults.

Features:

  • Configures packags:

    • abbrev
    • archive-mode
    • bookmark
    • conf-mode
    • dired
    • dired-x
    • display-line-numbers (only in Emacs 26.x and newer)
    • electric-indent-mode
    • ediff
    • eldoc
    • help-fns+
    • hi-lock
    • image-mode
    • imenu
    • linum (only in Emacs 25.x and older)
    • occur-mode
    • package-menu
    • page-break-lines
    • process-menu
    • recentf
    • savehist
    • saveplace
    • subword
    • tar-mode
    • uniquify
    • url
    • visual-line-mode
    • whitespace
    • winner
    • zone