contrib / coccinelle / xstrdup_or_null.coccion commit Merge branch 'yk/git-tag-remove-mention-of-old-layout-in-doc' (24cfb6f)
   1@@
   2expression E;
   3expression V;
   4@@
   5- if (E)
   6-    V = xstrdup(E);
   7+ V = xstrdup_or_null(E);