(kmacro-end-and-call-macro): New command to end and

(kmacro-end-and-call-macro): New command to end and
call keyboard macro in one step. Bind it to C-x e by default.
(kmacro-call-macro): Use format-kbd-macro.
(kmacro-step-edit-macro): New command to interactively step edit
and execute last keyboard macro.
(kmacro-keymap): Bind SPC [C-x C-k SPC] to kmacro-step-edit-macro.
(kmacro-step-edit-mini-window-height): New custom var.
(kmacro-step-edit-map): New keymap (parent is query-replace-map).
(kmacro-step-edit-prefix-commands): New var.
(kmacro-step-edit-prompt, kmacro-step-edit-query)
(kmacro-step-edit-insert, kmacro-step-edit-pre-command)
(kmacro-step-edit-minibuf-setup, kmacro-step-edit-post-command):
New aux functions for step editing keyboard macros.