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Commit 1bcedb3b authored by Richard M. Stallman's avatar Richard M. Stallman
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Bind case-fold-search to t in many functions.

parent fd7bd989
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Showing with 128 additions and 105 deletions
lisp/info.el
View file @ 1bcedb3b
......@@ -380,7 +380,8 @@ In standalone mode, \\<Info-mode-map>\\[Info-exit] exits Emacs itself."
(widen)
(setq Info-current-node nil)
(unwind-protect
(progn
;; Bind case-fold-search in case the user sets it to nil.
(let ((case-fold-search t))
;; Switch files if necessary
(or (null filename)
(equal Info-current-file filename)
......@@ -546,6 +547,8 @@ In standalone mode, \\<Info-mode-map>\\[Info-exit] exits Emacs itself."
Info-dir-file-attributes))))
(insert Info-dir-contents)
(let ((dirs Info-directory-list)
;; Bind this in case the user sets it to nil.
(case-fold-search t)
buffers buffer others nodes dirs-done)
(setq Info-dir-file-attributes nil)
......@@ -718,34 +721,36 @@ In standalone mode, \\<Info-mode-map>\\[Info-exit] exits Emacs itself."
;; Select the info node that point is in.
(defun Info-select-node ()
(save-excursion
;; Find beginning of node.
(search-backward "\n\^_")
(forward-line 2)
;; Get nodename spelled as it is in the node.
(re-search-forward "Node:[ \t]*")
(setq Info-current-node
(buffer-substring-no-properties (point)
(progn
(skip-chars-forward "^,\t\n")
(point))))
(Info-set-mode-line)
;; Find the end of it, and narrow.
(beginning-of-line)
(let (active-expression)
(narrow-to-region (point)
(if (re-search-forward "\n[\^_\f]" nil t)
(prog1
(1- (point))
(if (looking-at "[\n\^_\f]*execute: ")
(progn
(goto-char (match-end 0))
(setq active-expression
(read (current-buffer))))))
(point-max)))
(if Info-enable-active-nodes (eval active-expression))
(if Info-fontify (Info-fontify-node))
(run-hooks 'Info-selection-hook))))
;; Bind this in case the user sets it to nil.
(let ((case-fold-search t))
(save-excursion
;; Find beginning of node.
(search-backward "\n\^_")
(forward-line 2)
;; Get nodename spelled as it is in the node.
(re-search-forward "Node:[ \t]*")
(setq Info-current-node
(buffer-substring-no-properties (point)
(progn
(skip-chars-forward "^,\t\n")
(point))))
(Info-set-mode-line)
;; Find the end of it, and narrow.
(beginning-of-line)
(let (active-expression)
(narrow-to-region (point)
(if (re-search-forward "\n[\^_\f]" nil t)
(prog1
(1- (point))
(if (looking-at "[\n\^_\f]*execute: ")
(progn
(goto-char (match-end 0))
(setq active-expression
(read (current-buffer))))))
(point-max)))
(if Info-enable-active-nodes (eval active-expression))
(if Info-fontify (Info-fontify-node))
(run-hooks 'Info-selection-hook)))))
(defun Info-set-mode-line ()
(setq mode-line-buffer-identification
......@@ -809,7 +814,9 @@ In standalone mode, \\<Info-mode-map>\\[Info-exit] exits Emacs itself."
(defun Info-build-node-completions ()
(or Info-current-file-completions
(let ((compl nil))
(let ((compl nil)
;; Bind this in case the user sets it to nil.
(case-fold-search t))
(save-excursion
(save-restriction
(if (marker-buffer Info-tag-table-marker)
......@@ -924,16 +931,18 @@ In standalone mode, \\<Info-mode-map>\\[Info-exit] exits Emacs itself."
;; If there is none, use ERRORNAME in the error message;
;; if ERRORNAME is nil, just return nil.
(defun Info-extract-pointer (name &optional errorname)
(save-excursion
(goto-char (point-min))
(forward-line 1)
(if (re-search-backward (concat name ":") nil t)
(progn
(goto-char (match-end 0))
(Info-following-node-name))
(if (eq errorname t)
nil
(error "Node has no %s" (capitalize (or errorname name)))))))
;; Bind this in case the user sets it to nil.
(let ((case-fold-search t))
(save-excursion
(goto-char (point-min))
(forward-line 1)
(if (re-search-backward (concat name ":") nil t)
(progn
(goto-char (match-end 0))
(Info-following-node-name))
(if (eq errorname t)
nil
(error "Node has no %s" (capitalize (or errorname name))))))))
;; Return the node name in the buffer following point.
;; ALLOWEDCHARS, if non-nil, goes within [...] to make a regexp
......@@ -995,6 +1004,7 @@ If SAME-FILE is non-nil, do not move to a different Info file."
NAME may be an abbreviation of the reference name."
(interactive
(let ((completion-ignore-case t)
(case-fold-search t)
completions default alt-default (start-point (point)) str i bol eol)
(save-excursion
;; Store end and beginning of line.
......@@ -1053,7 +1063,8 @@ NAME may be an abbreviation of the reference name."
(list (if (equal input "")
default input)))
(error "No cross-references in this node"))))
(let (target beg i (str (concat "\\*note " (regexp-quote footnotename))))
(let (target beg i (str (concat "\\*note " (regexp-quote footnotename)))
(case-fold-search t))
(while (setq i (string-match " " str i))
(setq str (concat (substring str 0 i) "[ \t\n]+" (substring str (1+ i))))
(setq i (+ i 6)))
......@@ -1190,29 +1201,31 @@ Completion is allowed, and the menu item point is on is the default."
(defun Info-extract-menu-item (menu-item)
(setq menu-item (regexp-quote menu-item))
(save-excursion
(goto-char (point-min))
(or (search-forward "\n* menu:" nil t)
(error "No menu in this node"))
(or (re-search-forward (concat "\n\\* +" menu-item ":") nil t)
(re-search-forward (concat "\n\\* +" menu-item) nil t)
(error "No such item in menu"))
(beginning-of-line)
(forward-char 2)
(Info-extract-menu-node-name)))
(let ((case-fold-search t))
(save-excursion
(goto-char (point-min))
(or (search-forward "\n* menu:" nil t)
(error "No menu in this node"))
(or (re-search-forward (concat "\n\\* +" menu-item ":") nil t)
(re-search-forward (concat "\n\\* +" menu-item) nil t)
(error "No such item in menu"))
(beginning-of-line)
(forward-char 2)
(Info-extract-menu-node-name))))
;; If COUNT is nil, use the last item in the menu.
(defun Info-extract-menu-counting (count)
(save-excursion
(goto-char (point-min))
(or (search-forward "\n* menu:" nil t)
(error "No menu in this node"))
(if count
(or (search-forward "\n* " nil t count)
(error "Too few items in menu"))
(while (search-forward "\n* " nil t)
nil))
(Info-extract-menu-node-name)))
(let ((case-fold-search t))
(save-excursion
(goto-char (point-min))
(or (search-forward "\n* menu:" nil t)
(error "No menu in this node"))
(if count
(or (search-forward "\n* " nil t count)
(error "Too few items in menu"))
(while (search-forward "\n* " nil t)
nil))
(Info-extract-menu-node-name))))
(defun Info-nth-menu-item ()
"Go to the node of the Nth menu item.
......@@ -1424,7 +1437,8 @@ previous node or back up to the parent node."
"Move cursor to the next cross-reference or menu item in the node."
(interactive)
(let ((pat "\\*note[ \n\t]*\\([^:]*\\):\\|^\\* .*:")
(old-pt (point)))
(old-pt (point))
(case-fold-search t))
(or (eobp) (forward-char 1))
(or (re-search-forward pat nil t)
(progn
......@@ -1443,7 +1457,8 @@ previous node or back up to the parent node."
"Move cursor to the previous cross-reference or menu item in the node."
(interactive)
(let ((pat "\\*note[ \n\t]*\\([^:]*\\):\\|^\\* .*:")
(old-pt (point)))
(old-pt (point))
(case-fold-search t))
(or (re-search-backward pat nil t)
(progn
(goto-char (point-max))
......@@ -1471,7 +1486,8 @@ Give a blank topic name to go to the Index node itself."
(rnode nil)
(pattern (format "\n\\* +\\([^\n:]*%s[^\n:]*\\):[ \t]*\\([^.\n]*\\)\\.[ \t]*\\([0-9]*\\)"
(regexp-quote topic)))
node)
node
(case-fold-search t))
(Info-goto-node "Top")
(or (search-forward "\n* menu:" nil t)
(error "No index"))
......@@ -1546,17 +1562,18 @@ Give a blank topic name to go to the Index node itself."
(defun Info-find-index-name (name)
"Move point to the place within the current node where NAME is defined."
(if (or (re-search-forward (format
"[a-zA-Z]+: %s\\( \\|$\\)"
(regexp-quote name)) nil t)
(search-forward (format "`%s'" name) nil t)
(and (string-match "\\`.*\\( (.*)\\)\\'" name)
(search-forward
(format "`%s'" (substring name 0 (match-beginning 1)))
nil t))
(search-forward name nil t))
(beginning-of-line)
(goto-char (point-min))))
(let ((case-fold-search t))
(if (or (re-search-forward (format
"[a-zA-Z]+: %s\\( \\|$\\)"
(regexp-quote name)) nil t)
(search-forward (format "`%s'" name) nil t)
(and (string-match "\\`.*\\( (.*)\\)\\'" name)
(search-forward
(format "`%s'" (substring name 0 (match-beginning 1)))
nil t))
(search-forward name nil t))
(beginning-of-line)
(goto-char (point-min)))))
(defun Info-undefined ()
"Make command be undefined in Info."
......@@ -1605,32 +1622,33 @@ SIG optional fourth argument, controls action on no match
nil: return nil
t: beep
a string: signal an error, using that string."
(save-excursion
(goto-char pos)
;; First look for a match for START that goes across POS.
(while (and (not (bobp)) (> (point) (- pos (length start)))
(not (looking-at start)))
(forward-char -1))
;; If we did not find one, search back for START
;; (this finds only matches that end at or before POS).
(or (looking-at start)
(progn
(goto-char pos)
(re-search-backward start (max (point-min) (- pos 200)) 'yes)))
(let (found)
(while (and (re-search-forward all (min (point-max) (+ pos 200)) 'yes)
(not (setq found (and (<= (match-beginning 0) pos)
(> (match-end 0) pos))))))
(if (and found (<= (match-beginning 0) pos)
(> (match-end 0) pos))
(buffer-substring (match-beginning 1) (match-end 1))
(cond ((null errorstring)
nil)
((eq errorstring t)
(beep)
nil)
(t
(error "No %s around position %d" errorstring pos)))))))
(let ((case-fold-search t))
(save-excursion
(goto-char pos)
;; First look for a match for START that goes across POS.
(while (and (not (bobp)) (> (point) (- pos (length start)))
(not (looking-at start)))
(forward-char -1))
;; If we did not find one, search back for START
;; (this finds only matches that end at or before POS).
(or (looking-at start)
(progn
(goto-char pos)
(re-search-backward start (max (point-min) (- pos 200)) 'yes)))
(let (found)
(while (and (re-search-forward all (min (point-max) (+ pos 200)) 'yes)
(not (setq found (and (<= (match-beginning 0) pos)
(> (match-end 0) pos))))))
(if (and found (<= (match-beginning 0) pos)
(> (match-end 0) pos))
(buffer-substring (match-beginning 1) (match-end 1))
(cond ((null errorstring)
nil)
((eq errorstring t)
(beep)
nil)
(t
(error "No %s around position %d" errorstring pos))))))))
(defun Info-mouse-follow-nearest-node (click)
"\\<Info-mode-map>Follow a node reference near point.
......@@ -1778,7 +1796,8 @@ If no reference to follow, moves to the next node, or up if none."
;; Update reference menu. Code stolen from `Info-follow-reference'.
(let ((items nil)
str i entries current
(number 0))
(number 0)
(case-fold-search t))
(save-excursion
(goto-char (point-min))
(while (re-search-forward "\\*note[ \n\t]*\\([^:]*\\):" nil t)
......@@ -2061,7 +2080,8 @@ The alist key is the character the title is underlined with (?*, ?= or ?-)."
(defun Info-fontify-node ()
(save-excursion
(let ((buffer-read-only nil))
(let ((buffer-read-only nil)
(case-fold-search t))
(goto-char (point-min))
(when (looking-at "^File: [^,: \t]+,?[ \t]+")
(goto-char (match-end 0))
......@@ -2187,7 +2207,8 @@ NODE is an optional argument that is used to represent the
specific node to expand."
(if (and (not node)
(save-excursion (goto-char (point-min))
(looking-at "Info Nodes:")))
(let ((case-fold-search t))
(looking-at "Info Nodes:"))))
;; Update our "current node" maybe?
nil
;; We cannot use the generic list code, that depends on all leaves
......@@ -2276,6 +2297,7 @@ Optional THISFILE represends the filename of"
;; Scan the created buffer
(goto-char (point-min))
(let ((completions nil)
(case-fold-search t)
(thisfile (progn (string-match "^(\\([^)]+\\))" nodespec)
(match-string 1 nodespec))))
;; Always skip the first one...
......@@ -2298,7 +2320,8 @@ Optional THISFILE represends the filename of"
"Create a speedbar display to help navigation in an Info file.
BUFFER is the buffer speedbar is requesting buttons for."
(if (save-excursion (goto-char (point-min))
(not (looking-at "Info Nodes:")))
(let ((case-fold-search t))
(not (looking-at "Info Nodes:"))))
(erase-buffer))
(Info-speedbar-hierarchy-buttons nil 0)
)
......
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