o->xdl_opts = DIFF_WITH_ALG(o, PATIENCE_DIFF);
else if (!strcmp(s, "histogram"))
o->xdl_opts = DIFF_WITH_ALG(o, HISTOGRAM_DIFF);
+ else if (!strcmp(s, "diff-algorithm=")) {
+ long value = parse_algorithm_value(s+15);
+ if (value < 0)
+ return -1;
+ /* clear out previous settings */
+ DIFF_XDL_CLR(o, NEED_MINIMAL);
+ o->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
+ o->xdl_opts |= value;
+ }
else if (!strcmp(s, "ignore-space-change"))
o->xdl_opts |= XDF_IGNORE_WHITESPACE_CHANGE;
else if (!strcmp(s, "ignore-all-space"))