In a letter it said: "It is therefore not clear whether this was discussed with her and not documented but we have not clearly documented this."
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。免实名服务器对此有专业解读
Екатерина Щербакова (ночной линейный редактор)
The KDE documentation on the other hand is for some reason buried under the tutorial for building Plasma widgets (rather than somewhere more general) or else on the aforementioned other wiki.