`isearch-process-search-multibyte-characters' would signal an error if
minibuffer-prompt-properties contained a `read-only t' property.
Revision: emacs@sv.gnu.org/emacs--devo--0--patch-666
Use `isearch-message' as initial input for `read-string' instead
of adding it to the minibuffer prompt. After reading a string
remove the initial value of `isearch-message' from the string.
(isearch-minibuffer-input-method-function): These variables
deleted.
(isearch-with-input-method): Don't use the above variables.
(isearch-process-search-multibyte-characters): Likewise. Call
read-string with the arg INHERIT-INPUT-METHOD t.
the key C-g to exit.
(isearch-minibuffer-self-insert): Use key-binding. Always call
exit-minibuffer.
(isearch-process-search-multibyte-characters): Use
unread-command-events instead of unread-input-method-events.
Always call isearch-update.
Handle space char event correctly.
(isearch-process-search-multibyte-characters): If this-command is
not isearch-printing-char, don't read multibyte chars from
minibuffer, but just call isearch-process-search-char.
in isearch.el.
(isearch-toggle-input-method): Likewise.
(isearch-minibuffer-local-map): New variable.
(isearch-minibuffer-non-self-insert): New function.
(isearch-minibuffer-self-insert): New function.
(isearch-process-search-multibyte-characters): Read multibyte
characters from minibuffer with the keymap
isearch-minibuffer-local-map.
(isearch-input-method-title): New variable.
(isearch-toggle-specified-input-method): Set the above variables.
(isearch-toggle-input-method): Likewise.
(isearch-process-search-multibyte-characters): Give
iseach-input-method as arg to read-multilingual-string.
