/[emacs]/emacs/man/files.texi
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revision 1.112 by eliz, Fri Jul 22 09:59:41 2005 UTC revision 1.113 by rms, Tue Aug 9 11:35:42 2005 UTC
# Line 2918  recent backup.  If you specify the name Line 2918  recent backup.  If you specify the name
2918  of.  of.
2919    
2920  @findex compare-windows  @findex compare-windows
2921    The command @kbd{M-x compare-windows} compares the text in the current    The command @kbd{M-x compare-windows} compares the text in the
2922  window with that in the next window.  Comparison starts at point in each  current window with that in the next window.  (For more information
2923  window, and each starting position is pushed on the mark ring in its  about windows in Emacs, @ref{Windows}.)  Comparison starts at point in
2924  respective buffer.  Then point moves forward in each window, a character  each window, after pushing each initial point value on the mark ring
2925  at a time, until a mismatch between the two windows is reached.  Then  in its respective buffer.  Then it moves point forward in each window,
2926  the command is finished.  Another invocation of this command with  one character at a time, until it reaches characters that don't match.
2927  points on mismatching positions tries to skip non-matching text and  Then the command exits.
2928  move points forward, until a match between the two windows is reached.  
2929  For more information about windows in Emacs, @ref{Windows}.    If point in the two windows is followed by non-matching text when
2930    the command starts, it tries heuristically to advance up to matching
2931    text in the two windows, and then exits.  So if you use @kbd{M-x
2932    compare-windows} repeatedly, each time it either skips one matching
2933    range or finds the start of another.
2934    
2935  @vindex compare-ignore-case  @vindex compare-ignore-case
2936  @vindex compare-ignore-whitespace  @vindex compare-ignore-whitespace

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