Compare file differences in Emacs Ediff

01-02-01) ediff-buffers/ediff-files

　

    Compares the file contents of A/b in the 2 file buffers that are currently open.    Rows with inconsistent file content (or inconsistent rows, lines, or rows) or as a diff area are highlighted.    The increment portion shown in a or b window will appear in red, and if the increment of a is replaced with the b window, the replacement increment in B will appear green. A and b windows are different when the same row or rows, a and b window will be added a white highlight background, and a window of the character color is red, and b window character color is blue (estimated green plus white background overlap, equal to blue) with the key J or n/p to move the cursor to the difference area,    The difference area will be displayed as a yellow background, at the other end of the incremental window (I can't think of any words to describe it: A window is incremented, another window is referred to), and the 1th character in the beginning of the missing line is displayed as a yellow background for comparison and easy viewing.   M-x Ediff-buffers First A/b buffer name, marked well, shown in the above window as a, the following window is shown as B Basic Operation button as follows: |    Toggle the display window to left/right (the default is up and down)?   Help window In contrast mode Q exit contrast mode V/a screen up/down (forward/backward) J move to the first difference area n/p/Next difference (fast forward to Up/Next ' diff ') </> Move cursor to beginning/end of line h highlight diff content @ auto-position cursor, move cursor to inconsistent content area (a word in the difference as highlighted) A/b in the difference line: replace the contents of A/b into b/a (copy A/b lines to b/a, which is replaced When a/b line is replaced, if the difference is only a blank area inconsistency, that is, the text content is consistent, no substitution will be made.    After replacement, you can reverse the operation, as follows RA/RB.    RA/RB the redo operation after the difference of the above line (inverse operation): RA is the replacement of the a window, and the RB is alternate and repeated (reciprocal) for the replacement and recovery in the Recovery b window. * re??????    Current difference region??????         ! Update Variance Area # # ignores whitespace characters (the auto-positioning cursor should be turned on at first @) #f/#h Show/Hide the difference area (related to the difference between whitespace characters)??????   WA/WB Saving A/b window file 

Tagged with?????? Some of the places are not clear:-)

    01-02-02) ediff-buffer3/ediff-files3    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    3方差异对比（在用到时再补上了）

Compare file differences in Emacs Ediff