Squashed 'macros/' changes from 9555d3d..55fce62

55fce62 Added the `--squash` parameter to the `pug subtree pull` command

git-subtree-dir: macros
git-subtree-split: 55fce62af6604ce7af9cb530ff1abf69aecc8005

README.md

@@ -129,7 +129,7 @@ master.
 
 * To get the latest version of `autoconf-macros` into your parent project:
 
-           git subtgree pull --prefix=macros autoconf-macros master
+           git subtgree pull --squash --prefix=macros autoconf-macros master