This makes a new command available when in isearch (by default it is assigned to Ctrl-o) to filter the lines of the current session by the active search term (occur). See #1314.
occur+isearch: fixing highlighting for big font sizes
occur+isearch: adding occurisearch command and binding it to Ctrl-o b…
occur+isearch: fixing tests
In occur mode it is possible to edit the document, but changes are not propagated to the original one, is this intentional?
I will implement the editing feature. For now I hope the current implementation provides some usefulness. I had problems with the read-only mode and this is why you currently can edit the occur view.