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(cherry picked from commit 9a28669d)

(cherry picked from commit 67c60b31)

(cherry picked from commit a462530f)

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

* Update date and version numbers
* Remove entities unused and use kolf entitie from kdoctools
* Remove final whitespaces
* Suitable tags and punctuation
* Rewrite 'The Settings and Help Menu' chapter
* Some GUI and doc sync
* Change http: to https:

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

* Add a @title:window helper and fix punctuation into a menu item
* Fix the page names into New Game dialog

(cherry picked from commit 339730cb)

Also include KDE & ECM cmake modules before checking other deps,
for consistency and to ensure KDE settings are deployed before doing more.

GIT_SILENT

(cherry picked from commit 14a81b80)

(cherry picked from commit c161299b)

BUGS: 437318

GIT_SILENT

(cherry picked from commit 0c7acc28)

(cherry picked from commit aa547145)