Commit 63d991d6 authored by Karl Heuer's avatar Karl Heuer
Browse files

(dabbrev--search): Don't let spurious match in middle

of word obscure real match at start of same word.
parent c1fe251a
......@@ -789,38 +789,38 @@ See also `dabbrev-abbrev-char-regexp' and \\[dabbrev-completion]."
(if reverse
(re-search-backward pattern1 nil t)
(re-search-forward pattern1 nil t)))
(goto-char (match-beginning 0))
(/= (point) (match-beginning 0)))
;; Prefix of found abbreviation not OK
(goto-char (match-beginning 0))
(goto-char (match-beginning 0))
;; In case we matched in the middle of a word,
;; back up to start of word and verify we still match.
(if (not (looking-at pattern1))
;; We have a truly valid match. Find the end.
(re-search-forward pattern2)
(setq found-string
(buffer-substring (match-beginning 1) (match-end 1)))
(and ignore-case (setq found-string (downcase found-string)))
;; Throw away if found in table
;; Ignore this match if it's already in the table.
(if (dabbrev-filter-elements
table-string dabbrev--last-table
(string= found-string table-string))
(setq found-string nil))))
(setq found-string nil)))
;; Prepare to continue searching.
(if reverse
(goto-char (match-beginning 0))
(goto-char (match-end 0))))
;; Put in `dabbrev--last-table' and decide if we should return
;; result or (downcase result)
(setq dabbrev--last-table (cons found-string dabbrev--last-table))
(let ((result (buffer-substring (match-beginning 0) (match-end 0))))
(if (and ignore-case (eval dabbrev-case-replace))
(downcase result)
;; If we found something, use it.
(if found-string
;; Put it into `dabbrev--last-table'
;; and return it (either downcased, or as is).
(let ((result
(buffer-substring (match-beginning 0) (match-end 0))))
(setq dabbrev--last-table
(cons found-string dabbrev--last-table))
(if (and ignore-case (eval dabbrev-case-replace))
(downcase result)
(provide 'dabbrev)
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