diff options
Diffstat (limited to 'lisp/replace.el')
| -rw-r--r-- | lisp/replace.el | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/lisp/replace.el b/lisp/replace.el index d1618a485ed..416d9f1d1ec 100644 --- a/lisp/replace.el +++ b/lisp/replace.el @@ -786,11 +786,11 @@ the function that you set this to can check `this-command'." (defun read-regexp-suggestions () "Return a list of standard suggestions for `read-regexp'. -By default, the list includes the \"tag\" at point (see Info -node `(emacs) Identifier Search'), the last isearch regexp, the -last isearch string, and the last replacement regexp. -`read-regexp' appends the list returned by this function to the -end of values available via +By default, the list includes the identifier (a.k.a. \"tag\") +at point (see Info node `(emacs) Identifier Search'), the last +isearch regexp, the last isearch string, and the last +replacement regexp. `read-regexp' appends the list returned +by this function to the end of values available via \\<minibuffer-local-map>\\[next-history-element]." (list (find-tag-default-as-regexp) @@ -805,33 +805,35 @@ Prompt with the string PROMPT. If PROMPT ends in \":\" (followed by optional whitespace), use it as-is. Otherwise, add \": \" to the end, possibly preceded by the default result (see below). -The optional argument DEFAULTS can be either: nil, a string, a list -of strings, or a symbol. We use DEFAULTS to construct the default -return value in case of empty input. +The optional argument DEFAULTS is used to construct the default +return value in case of empty input. DEFAULTS can be nil, a string, +a list of strings, or a symbol. -If DEFAULTS is a string, we use it as-is. +If DEFAULTS is a string, the function uses it as-is. If DEFAULTS is a list of strings, the first element is the default return value, but all the elements are accessible using the history command \\<minibuffer-local-map>\\[next-history-element]. -DEFAULTS can be a symbol. If DEFAULTS is the symbol -`regexp-history-last', we use the first element of HISTORY (if -specified) or `regexp-history'. If DEFAULTS is a symbol with a -function definition, we call it with no arguments and use what it -returns, which should be either nil, a string, or a list of -strings. Other symbol values for DEFAULTS are ignored. If -`read-regexp-defaults-function' is non-nil, its value is used -instead of DEFAULTS in the two cases described in this paragraph. +If DEFAULTS is the symbol `regexp-history-last', the default return +value will be the first element of HISTORY. If HISTORY is omitted or +nil, `regexp-history' is used instead. +If DEFAULTS is a symbol with a function definition, it is called with +no arguments and should return either nil, a string, or a list of +strings, which will be used as above. +Other symbol values for DEFAULTS are ignored. -We append the standard values from `read-regexp-suggestions' to DEFAULTS -before using it. +If `read-regexp-defaults-function' is non-nil, its value is used +instead of DEFAULTS in the two cases described in the last paragraph. + +Before using whatever value DEFAULTS yields, the function appends the +standard values from `read-regexp-suggestions' to that value. If the first element of DEFAULTS is non-nil (and if PROMPT does not end -in \":\", followed by optional whitespace), we add it to the prompt. +in \":\", followed by optional whitespace), DEFAULT is added to the prompt. The optional argument HISTORY is a symbol to use for the history list. -If nil, uses `regexp-history'." +If nil, use `regexp-history'." (let* ((defaults (if (and defaults (symbolp defaults)) (cond |