[GNU ELPA] Standard-Themes version 1.1.0

[ELPA update]

Version 1.1.0 of package Standard-Themes has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Standard-Themes describes itself as:

  ==========================================
  Like the default theme but more consistent
  ==========================================

More at https://elpa.gnu.org/packages/standard-themes.html

## Summary:

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              STANDARD-THEMES: LIKE THE DEFAULT THEME BUT MORE
                                 CONSISTENT

                            Protesilaos Stavrou
                            info@protesilaos.com
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  This manual, written by Protesilaos Stavrou, describes the Emacs package
  called `standard-themes', and provides every other piece of information
  pertinent to it.

  The documentation furnished herein corresponds to stable version 1.1.0,
  released on 2022-12-06.  Any reference to a newer feature which does not
  yet form part of the latest tagged commit, is explicitly marked as such.

  Current development target is 1.2.0-dev.

  ⁃ Package name (GNU ELPA): `standard-themes'
  ⁃ Official manual: <https://protesilaos.com/emacs/standard-themes>
  ⁃ Git repo on SourceHut:

## Recent NEWS:

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                   CHANGE LOG OF THE STANDARD THEMES
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This document contains the release notes for each tagged commit on the
project's main git repository:
<https://git.sr.ht/~protesilaos/standard-themes>.

The newest release is at the top.  For further details, please consult
the manual: <https://protesilaos.com/emacs/standard-themes>.


Version 1.1.0 on 2022-12-06
═══════════════════════════

The `standard-themes-headings' now covers the Org agenda
────────────────────────────────────────────────────────

  The user option `standard-themes-headings' lets the user control the
  height, weight, and use of proportionately spaced fonts
  (`variable-pitch') on a per-heading basis.  Different combinations are
  possible, as explained in the option's doc string on the corresponding
  entry in the manual.

  I have now made it possible to specify the `agenda-date' and
  `agenda-structure' keys.  Both pertain to the Org agenda.  The former
  applies to date headings, while the latter styles the headings of each
  "block" of content.  In a generic agenda buffer, that block heading is
  the first line which reads `Week-agenda (W49):' or something like
  that, though we find such headings in more places as well.

  Here is a sample with various stylistic variants per heading:

  ┌────
  │ (setq standard-themes-headings ; read the manual's entry or the doc string
  │       '((0 . (variable-pitch light 1.9))
  │     (1 . (variable-pitch light 1.8))
  │     (2 . (semilight 1.7))
  │     (3 . (semilight 1.6))
  │     (4 . (1.5)) ; absence of weight means "regular"
  │     (5 . (1.4))
  │     (6 . (bold 1.3))
  │     (7 . (bold 1.2))
  │     (agenda-date . (semilight 1.5))
  │     (agenda-structure . (variable-pitch light 1.9))
  │     (t . (variable-pitch 1.1))))
  └────

  Note that Org re-uses heading levels past 8.  This means that level 9
  will look the same as level 1.  This is not the theme's doing.  Check
  the user options `org-level-faces', `org-n-level-faces' for ways to
  change this.


`M-x theme-choose-variant' works as expected
────────────────────────────────────────────

  Users of Emacs 29 have access to the command `theme-choose-variant':
  it toggles between two themes of the same family.  If the family has
  more members, it uses minibuffer completion instead.

  I registered the appropriate theme properties to make this work as
  intended.  However, it is still possible to use the command
  `standard-themes-toggle'.


Stylistic refinements
─────────────────────

  ⁃ Simplified the Magit blame faces to avoid exaggerations.
  ⁃ Revised the colours of day headings in the `M-x calendar' buffer.
    Weekends stand out, as is the case with physical calendars and many
    established apps.
  ⁃ Made the `edmacro-label' face stand out in its context.  Otherwise
    it was difficult to spot.  This is for Emacs 29 and applies to
    headings in the keyboard macro editing buffer (e.g. with `C-x C-k
    C-e' (`kmacro-edit-macro-repeat')).
  ⁃ Added support for the `powerline' package.