Make the column mandatory after #+include:.
treed76e4c9f6add2ad5a67ba361c81fa1d5897d4d91
-rw-r--r-- 75 .dir-locals.el
-rw-r--r-- 75 .dir-settings.el
-rw-r--r-- 810 .gitignore
-rw-r--r-- 93 .gitmodules
-rw-r--r-- 3179 Makefile
-rw-r--r-- 1138 README
-rw-r--r-- 1054 README_DIST
-rw-r--r-- 3522 README_GIT
-rw-r--r-- 11757 README_maintainer
drwxr-xr-x - UTILITIES
drwxr-xr-x - contrib
-rw-r--r-- 3825 default.mk
drwxr-xr-x - doc
drwxr-xr-x - etc
drwxr-xr-x - lisp
-rw-r--r-- 1007 request-assign-future.txt
-rw-r--r-- 3194 targets.mk
drwxr-xr-x - testing