Comments (5)
Confirmed. Investigation shows that this is the result of the line-by-line
speedup. There exist cases such as this one where this speedup is sub-optimal.
Your example is the worst I've ever seen. I need to take a closer look at
whether this speedup is worth it.
If you want a truly accurate diff, use diff_main(text1, text2, false). The
third argument (which defaults to true) controls the line-by-line speedup.
Original comment by [email protected]
on 20 Jan 2011 at 1:43
- Changed title: Line-by-line mode sub-optimal.
- Changed state: Accepted
- Added labels: ****
- Removed labels: ****
from google-diff-match-patch.
[deleted comment]
from google-diff-match-patch.
Issue 46 has been merged into this issue.
Original comment by [email protected]
on 13 May 2011 at 11:20
- Added labels: ****
- Removed labels: ****
from google-diff-match-patch.
The root cause has been unexpectedly tracked down to diff_cleanupSemantic and a
changelist has been submitted for review. Should take a week before it is
published.
Original comment by [email protected]
on 14 May 2011 at 3:51
- Changed state: Started
- Added labels: ****
- Removed labels: ****
from google-diff-match-patch.
Sorry for the delay. I've just pushed a new version which fixes this class of
issues. As always, the upgrade is a drop-in replacement.
Original comment by [email protected]
on 3 Jun 2011 at 5:55
- Changed state: Fixed
- Added labels: ****
- Removed labels: ****
from google-diff-match-patch.
Related Issues (20)
- Substring length check missing in C# implementation
- javascript diff_cleanupSemantic uses negative indexes in the equalities array HOT 1
- diff_prettyHtml output hard-codes color for <ins> and <del> HOT 1
- C# uses \n instead of \n\r or Environment.NewLine
- c# patch_toText + patch_fromText doesn't work
- Ruby port
- performance slow?
- NewLines appear broken in patches (Python 3, Django 1.6.1) HOT 2
- Patch for /trunk/python3/diff_match_patch.py
- Patch for /trunk/python3/diff_match_patch.py
- Uninitialized string offset: 0 (function diff_cleanupSemanticLossless)
- Text containing HTML HOT 1
- Consider SQLCLR compatibility / eliminate dependency on System.Web for UrlEncode and UrlDecode HOT 3
- xIndex for instertion after location
- Demo pages not working HOT 4
- Levenshtein distance problem
- objc version generates wrong diffs
- When is this project transferred to github? HOT 1
- Please make old google code wiki content accessible in github HOT 2
- Update / delete combination gives wrong result (diff method) HOT 1
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