First: search result is simple result with link to line number Second: search in files result is result from non open files which can be changed on background
You are right, it's possible to floow line number changes in file, but it isn't easy - not insert/delete changes only, but UNDO/REDO e.t.c. What about extend seach functionality of putting bookmarks into find result lines? You can edit and simple go through bookmarks with Alt+UP/Down -- <https://forum.pspad.com/read.php?2,69566,69567> PSPad freeware editor https://www.pspad.com
