/[emacs]/emacs/lisp/diff.el
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revision 1.43 by miles, Thu Oct 11 01:20:16 2001 UTC revision 1.44 by rms, Wed May 8 21:42:32 2002 UTC
# Line 68  Line 68 
68      ;; -n format: {a,d,c}OLDSTART LINES-CHANGED      ;; -n format: {a,d,c}OLDSTART LINES-CHANGED
69      ("^[adc]\\([0-9]+\\)\\( [0-9]+\\)?$" 1)      ("^[adc]\\([0-9]+\\)\\( [0-9]+\\)?$" 1)
70      )      )
71    "Alist (REGEXP OLD-IDX NEW-IDX) of regular expressions to match difference    "Alist of regular expressions to match difference sections in \\[diff] output.
72  sections in \\[diff] output.  If REGEXP matches, the OLD-IDX'th  Each element has the form (REGEXP OLD-IDX NEW-IDX).
73  subexpression gives the line number in the old file, and NEW-IDX'th  Any text that REGEXP matches identifies one difference hunk
74  subexpression gives the line number in the new file.  If OLD-IDX or NEW-IDX  or the header of a hunk.
75  is nil, REGEXP matches only half a section.")  
76    The OLD-IDX'th subexpression of REGEXP gives the line number
77    in the old file, and NEW-IDX'th subexpression gives the line number
78    in the new file.  If OLD-IDX or NEW-IDX
79    is nil, REGEXP matches only half a hunk.")
80    
81  (defvar diff-old-file nil  (defvar diff-old-file nil
82    "This is the old file name in the comparison in this buffer.")    "This is the old file name in the comparison in this buffer.")

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