of the region. Otherwise, operate from point to the end of the buffer's
accessible portion.
-When invoked interactively, matching a newline with `\n' will not work;
-use `C-q C-j' instead. To match a tab character (`\t'), just press `TAB'.
+When invoked interactively, matching a newline with `\\n' will not work;
+use `C-q C-j' instead. To match a tab character (`\\t'), just press `TAB'.
Use \\<minibuffer-local-map>\\[next-history-element] \
to pull the last incremental search regexp to the minibuffer