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(apropos-print-matches): Add newline after

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Function: or Variable: if line doesn't fit with it.
New arg no-header inhibits them entirely.
(apropos): New arg no-header.  Pass it to apropos-print-matches.
This commit is contained in:
Richard M. Stallman 1994-10-01 21:10:38 +00:00
parent 7a410cb5fb
commit 75a768810d
1 changed files with 22 additions and 13 deletions
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35
lisp/apropos.el
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@ -51,13 +51,16 @@ Makes them run 2 or 3 times slower. Set this non-nil if you have a fast
machine.")
;;;###autoload
(defun apropos (regexp &optional do-all pred)
(defun apropos (regexp &optional do-all pred no-header)
"Show all symbols whose names contain matches for REGEXP.
If optional argument DO-ALL is non-nil (prefix argument if interactive),
or if `apropos-do-all' is non-nil, does more (time-consuming) work such as
showing key bindings. Optional argument PRED is called with each symbol, and
if it returns nil, the symbol is not shown.
Optional argument NO-HEADER means don't print `Function:' or `Variable:'
in the output.
Returns list of symbols and documentation found."
(interactive "sApropos (regexp): \nP")
(setq do-all (or apropos-do-all do-all))
@ -66,15 +69,10 @@ Returns list of symbols and documentation found."
(message "No apropos matches for `%s'" regexp)
(apropos-get-doc apropos-accumulate)
(with-output-to-temp-buffer "*Help*"
(apropos-print-matches apropos-accumulate regexp nil do-all)))
(apropos-print-matches apropos-accumulate regexp nil
do-all no-header)))
apropos-accumulate))
;; If "C-h a" still has its original binding of command-apropos, change it to
;; use fast-command-apropos. I don't use substitute-key-definition because
;; it's slow.
;(if (eq 'command-apropos (lookup-key help-map "a"))
; (define-key help-map "a" 'fast-command-apropos))
;; Takes LIST of symbols and adds documentation. Modifies LIST in place.
;; Resulting alist is of form ((symbol fn-doc var-doc) ...). Should only be
;; called by apropos. Returns LIST.
@ -186,7 +184,8 @@ Returns list of symbols and documentation found."
;; consulting key bindings. Should only be called within a
;; with-output-to-temp-buffer.
(defun apropos-print-matches (matches &optional regexp spacing do-all)
(defun apropos-print-matches (matches &optional regexp
spacing do-all no-header)
(setq matches (sort matches (function
(lambda (a b)
(string-lessp (car a) (car b))))))
@ -217,12 +216,22 @@ Returns list of symbols and documentation found."
(princ "(not bound to any keys)"))))
(terpri)
(cond ((setq tem (nth 1 item))
(princ " Function: ")
(princ (if do-all (substitute-command-keys tem) tem))))
(let ((substed (if do-all (substitute-command-keys tem) tem)))
(if no-header
(princ " ")
(princ " Function: ")
(if (> (length substed) 67)
(princ "\n ")))
(princ substed))))
(or (bolp) (terpri))
(cond ((setq tem (nth 2 item))
(princ " Variable: ")
(princ (if do-all (substitute-command-keys tem) tem))))
(let ((substed (if do-all (substitute-command-keys tem) tem)))
(if no-header
(princ " ")
(princ " Variable: ")
(if (> (length substed) 67)
(princ "\n ")))
(princ substed))))
(or (bolp) (terpri)))))
t)