Problem: Reuse of high quality edit summaries is difficult because there is no way to select them again at a later date or to use them across devices. In some cases, the browser shows recent edit summaries but older edit summaries tend to disappear after a while so they have to be written again.
Proposed solution: If there was a way to configure, say, a few dozen edit summaries that one commonly uses, it's possible to reuse them whenever a similar edit is made in the future. The edit summaries would belong to the user's account so this allows the software to show them on other devices and improve the quality of edit summaries when making edits on mobile. In user preferences, a text field could be provided and each line could be interpreted as an edit summary. It'd be a place to define these user edit summaries and these are then made available in the editor when filling the edit summary. This could be done using autocomplete or a dropdown or possibly a different solution.
Who would benefit: Anyone who wants to provide a detailed edit summary. The benefit of this feature is that you'd only need to write a long detailed edit summary once (possibly with links to relevant policies) and it'd be easy to reuse.
More comments: Examples of edit summaries include: "new stub, passes <some policy>, point 3" or "changed formatting of number, see <some policy>".
