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Make the src-path update active without restarting debugging.
Ensure that the target name is unique.

GUI: improved config dialog

remove tree, plain list

avoid application/editor separation

move editor component things to top, as that is the stuff
most people want to change, e.g. fonts/colors/editing behaviors

Let JobUiDelegate handle the error messages.

Keep the code building with older KF versions.

this was added in the past for the case that KTextEditor was
still a interface and you could e.g. use the yzis part

now this is no longer feasible and the normal about dialog
already tells you the frameworks version you use

beside that, the dialog is just a duplication of what we have already
for the applications

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"

state more prominently we want either LGPLv2+ or MIT, unfortunately we are stuck with a lot more different licenses ;)

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"

BUG: 426605

BUG: 426042

this allows to have the "old" behavior of pre 20.08 as option

it is not exactly the same as in e.g. 20.04, as we still use the normal QTabBar,
but it should feel equivalent enough

as positive side effect, the user is no able to configure how many
tabs he wants to have as maximum, default is 0, aka unlimited,
before this was based on same heuristics

BUG: 426520

When an upstream repository is changed, the snippets plugin makes a copy in the personal data dir.
Unfortunately, changes are often detected without any real modification. Importantly, a "rename" is
often triggered simply by clicking on a repository name.

This patch disregards such spurious "changes", and also clarifies the corresponding message a bit.

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"