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Small smie.el doc and fix

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* lisp/emacs-lisp/smie.el (smie-config-guess): Doc fix.
Explicit error if no grammar.
(smie-config-save): Doc fix.  Fix quote typo.

* etc/NEWS: Related edit.
This commit is contained in:
Glenn Morris 2014-03-04 00:35:11 -08:00
parent 8d4901dc71
commit d82e752c05
3 changed files with 21 additions and 6 deletions
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10
lisp/emacs-lisp/smie.el
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@ -2149,8 +2149,11 @@ position corresponding to each rule."
rules))))
(defun smie-config-guess ()
"Try and figure out this buffer's indentation settings."
"Try and figure out this buffer's indentation settings.
To save the result for future sessions, use `smie-config-save'."
(interactive)
(if (eq smie-grammar 'unset)
(user-error "This buffer does not seem to be using SMIE"))
(let ((config (smie-config--guess (point-min) (point-max))))
(cond
((null config) (message "Nothing to change"))
@ -2168,7 +2171,8 @@ position corresponding to each rule."
(message "Rules guessed: %S" config)))))
(defun smie-config-save ()
"Save local rules for use with this major mode."
"Save local rules for use with this major mode.
One way to generate local rules is the command `smie-config-guess'."
(interactive)
(cond
((null smie-config--buffer-local)
@ -2190,7 +2194,7 @@ position corresponding to each rule."
(setcdr existing config)
(push (cons major-mode config) smie-config))
(setq smie-config--mode-local config)
(kill-local-variable smie-config--buffer-local)
(kill-local-variable 'smie-config--buffer-local)
(customize-mark-as-set 'smie-config)))))
(provide 'smie)