* lisp/isearch.el (isearch-occur): Sync interactive spec with occur's

new feature in `occur-read-primary-args'.  Doc fix. 

* etc/NEWS: Add new "collect" feature of `occur'.

Fixes: debbugs:10705

1 files changed, 6 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 583c86b901d..65b6e532fc8 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -965,6 +965,12 @@ Its functions and variables have been similarly renamed.
 ** Occur Edit mode applies edits made in *Occur* buffers to the
 original buffers.  It is bound to "e" in Occur mode.
 
+** When `occur' is called with the prefix argument `C-u'
+the matching strings are collected into the `*Occur*' buffer
+without line numbers.  If there are parenthesized subexpressions
+in the specified regexp, `occur' reads replacement text that
+may contain \\& and \\N whose convention follows `replace-match'.
+
 +++
 ** New global minor mode electric-pair-mode.
 When enabled, typing an open parenthesis automatically inserts the