For questions about the process of editing, how edits work, and other general inquiries about the edit system.
Editing is a core, fundamental part of the Stack Exchange network. Any user can edit a post, although some users will require peer review before their edit goes live (see suggested-edits).
Is your question about...
Edits as they relate to comments? Use the comment-edits tag.
The edit screen or WMD editor? Use the editor tag.
The live preview of rendered Markdown? Use the markdown-preview tag.
The inline tag editor available to 10k users? Use the inline-tag-editor tag.