* lisp/misearch.el (multi-isearch-search-fun): Add condition
`(not bound)' to ignore lazy-highlighting search.
Add the search-failed message "end of multi" when the end of
multi-sequence is reached. Uncapitalize the search-failed
message "Repeat for next buffer".
* lisp/info.el (Info-search): Add the search-failed message
"end of the manual" when the end of the manual is reached
in Isearch mode.