contrib / coccinelle / xstrdup_or_null.coccion commit format-patch: do not let its diff-options affect --range-diff (d8981c3)
   1@@
   2expression E;
   3expression V;
   4@@
   5- if (E)
   6-    V = xstrdup(E);
   7+ V = xstrdup_or_null(E);
   8
   9@@
  10expression E;
  11@@
  12- xstrdup(absolute_path(E))
  13+ absolute_pathdup(E)