(python-mode-map): Add python-complete-symbol.
(python-comment-line-p, python-beginning-of-string): Use syntax-ppss.
(python-comment-indent, python-complete-symbol)
(python-symbol-completions, python-partial-symbol)
(python-try-complete): New.
(python-indent-line): Remove optional arg. Use python-block-end-p.
(python-check): Bind compilation-error-regexp-alist.
(inferior-python-mode): Use rx. Move keybindings to top level.
Set comint-input-filter.
(python-preoutput-filter): Use rx.
(python-input-filter): Re-introduce.
(python-proc): Start new process if necessary.
Check python-buffer non-nil.
(view-return-to-alist): Defvar.
(python-send-receive): New.
(python-eldoc-function): Use it.
(python-mode-running): Don't defvar.
(python-mode): Set comment-indent-function.
Maybe update hippie-expand-try-functions-list.
(python-indentation-levels): Initialize differently.
(python-block-end-p): New.
(python-indent-line): Use it.
(python-compilation-regexp-alist): Augment.
(run-python): Import `emacs' module to Python rather than loading
code directly. Set python-buffer differently.
(python-send-region): Use emacs.eexecfile. Fix orig-start calculation.
Use python-proc.
(python-send-command): Go to end of comint buffer.
(python-load-file): Use python-proc, emacs.eimport.
(python-describe-symbol): Simplify interactive form.
Use emacs.help. Do use temp-buffer-show-hook.
Call print-help-return-message.
(hippie-exp): Require when compiling.
(python-preoutput-continuation): Use rx.
(python-compilation-regexp-alist): Don't use it any more.
(python-orig-start, python-input-filter): Remove.
(inferior-python-mode): Don't set up comint-input-filter-functions.
(python-send-region): Use compilation-fake-loc.
(syntax): Don't require.
(python) <defgroup>: Add :version.
(python-quote-syntax): Re-written.
(inferior-python-mode): Move stuff here from run-python and add
some more.
(python-preoutput-continuation, python-preoutput-result)
(python-dotty-syntax-table): New.
(python-describe-symbol): Use them.
(run-python): Move stuff to inferior-python-mode. Modify code
loaded into Python.
(python-send-region): Use python-proc, python-send-string.
(python-send-string): Send newlines too. Callers changed.
(python-load-file): Re-written.
(python-eldoc-function): New.
(info-look): Don't require.
(python-after-info-look): New. A modified version of former
top-level code for use with eval-after-load.
(python-maybe-jython, python-guess-indent): Use widened buffer.
(python-fill-paragraph): Re-written.
(python-mode): Fix outline-regexp. Set outline-heading-end-regexp,
eldoc-print-current-symbol-info-function. Add to eldoc-mode-hook.
