From 82ba818ff456bcd6d56a06226e3f27e98fbb55c3 Mon Sep 17 00:00:00 2001 From: Craig Jennings Date: Thu, 14 Aug 2025 22:58:58 -0500 Subject: removing all downloaded devdocs files --- devdocs/elisp/substitution.html | 29 ----------------------------- 1 file changed, 29 deletions(-) delete mode 100644 devdocs/elisp/substitution.html (limited to 'devdocs/elisp/substitution.html') diff --git a/devdocs/elisp/substitution.html b/devdocs/elisp/substitution.html deleted file mode 100644 index 4e0fd810..00000000 --- a/devdocs/elisp/substitution.html +++ /dev/null @@ -1,29 +0,0 @@ -

Substituting for a Character Code

The following functions replace characters within a specified region based on their character codes.

Function: subst-char-in-region start end old-char new-char &optional noundo -
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This function replaces all occurrences of the character old-char with the character new-char in the region of the current buffer defined by start and end. Both characters must have the same length of their multibyte form.

If noundo is non-nil, then subst-char-in-region does not record the change for undo and does not mark the buffer as modified. This was useful for controlling the old selective display feature (see Selective Display).

subst-char-in-region does not move point and returns nil. 

---------- Buffer: foo ----------
-This is the contents of the buffer before.
----------- Buffer: foo ----------
-
- -
(subst-char-in-region 1 20 ?i ?X)
-     ⇒ nil
-
----------- Buffer: foo ----------
-ThXs Xs the contents of the buffer before.
----------- Buffer: foo ----------
-
-
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Function: subst-char-in-string fromchar tochar string &optional inplace -
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This function replaces all occurrences of the character fromchar with tochar in string. By default, substitution occurs in a copy of string, but if the optional argument inplace is non-nil, the function modifies the string itself. In any case, the function returns the resulting string.

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Command: translate-region start end table -
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This function applies a translation table to the characters in the buffer between positions start and end.

The translation table table is a string or a char-table; (aref table ochar) gives the translated character corresponding to ochar. If table is a string, any characters with codes larger than the length of table are not altered by the translation.

The return value of translate-region is the number of characters that were actually changed by the translation. This does not count characters that were mapped into themselves in the translation table.

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- Copyright © 1990-1996, 1998-2022 Free Software Foundation, Inc.
Licensed under the GNU GPL license.
- https://www.gnu.org/software/emacs/manual/html_node/elisp/Substitution.html -

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