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Info Node: (elisp)Primitive Indent

(elisp)Primitive Indent


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Indentation Primitives
----------------------

   This section describes the primitive functions used to count and
insert indentation.  The functions in the following sections use these
primitives.  Note: Width, for related functions.

 - Function: current-indentation
     This function returns the indentation of the current line, which is
     the horizontal position of the first nonblank character.  If the
     contents are entirely blank, then this is the horizontal position
     of the end of the line.

 - Command: indent-to column &optional minimum
     This function indents from point with tabs and spaces until COLUMN
     is reached.  If MINIMUM is specified and non-`nil', then at least
     that many spaces are inserted even if this requires going beyond
     COLUMN.  Otherwise the function does nothing if point is already
     beyond COLUMN.  The value is the column at which the inserted
     indentation ends.

     The inserted whitespace characters inherit text properties from the
     surrounding text (usually, from the preceding text only).  Note:
     Sticky Properties.

 - User Option: indent-tabs-mode
     If this variable is non-`nil', indentation functions can insert
     tabs as well as spaces.  Otherwise, they insert only spaces.
     Setting this variable automatically makes it buffer-local in the
     current buffer.


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