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eintr: beginning-of-buffer

 
 5.3 Complete Definition of ‘beginning-of-buffer’
 ================================================
 
 The basic structure of the ‘beginning-of-buffer’ function has already
 been discussed.  (A Simplified ‘beginning-of-buffer’ Definition
 simplified-beginning-of-buffer.)  This section describes the complex
 part of the definition.
 
    As previously described, when invoked without an argument,
 ‘beginning-of-buffer’ moves the cursor to the beginning of the buffer
 (in truth, the beginning of the accessible portion of the buffer),
 leaving the mark at the previous position.  However, when the command is
 invoked with a number between one and ten, the function considers that
 number to be a fraction of the length of the buffer, measured in tenths,
 and Emacs moves the cursor that fraction of the way from the beginning
 of the buffer.  Thus, you can either call this function with the key
 command ‘M-<’, which will move the cursor to the beginning of the
 buffer, or with a key command such as ‘C-u 7 M-<’ which will move the
 cursor to a point 70% of the way through the buffer.  If a number bigger
 than ten is used for the argument, it moves to the end of the buffer.
 
    The ‘beginning-of-buffer’ function can be called with or without an
 argument.  The use of the argument is optional.
 

Menu

 
· Optional Arguments
· beginning-of-buffer opt arg  Example with optional argument.
· beginning-of-buffer complete
 

Info Catalog eintr: insert-buffer eintr: More Complex eintr: Second Buffer Related Review