diff options
| -rw-r--r-- | xdiff/xdiffi.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c index 95b037ee3..61deed8d4 100644 --- a/xdiff/xdiffi.c +++ b/xdiff/xdiffi.c @@ -504,25 +504,25 @@ int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags) { } } while (grpsiz != ix - ixs); - /* - * Try to move back the possibly merged group of changes, to match - * the recorded position in the other file. - */ - while (ixref < ix) { - rchg[--ixs] = 1; - rchg[--ix] = 0; - while (rchgo[--ixo]); - } - - /* - * If a group can be moved back and forth, see if there is a - * blank line in the moving space. If there is a blank line, - * make sure the last blank line is the end of the group. - * - * As we already shifted the group forward as far as possible - * in the earlier loop, we need to shift it back only if at all. - */ - if ((flags & XDF_COMPACTION_HEURISTIC) && blank_lines) { + if (ixref < ix) { + /* + * Try to move back the possibly merged group of changes, to match + * the recorded position in the other file. + */ + while (ixref < ix) { + rchg[--ixs] = 1; + rchg[--ix] = 0; + while (rchgo[--ixo]); + } + } else if ((flags & XDF_COMPACTION_HEURISTIC) && blank_lines) { + /* + * The group can be slid up to make its last line a + * blank line. Do so. + * + * As we already shifted the group forward as far as + * possible in the earlier loop, we need to shift it + * back only if at all. + */ while (ixs > 0 && !is_blank_line(recs, ix - 1, flags) && recs_match(recs, ixs - 1, ix - 1, flags)) { |