Maybe fix let/loop special cases in futhark-mode
Maybe fix let/loop special cases in futhark-mode

HIPERFIT/futhark,mrakgr/futhark,HIPERFIT/futhark,ihc/futhark,ihc/futhark,diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark,diku-dk/futhark,ihc/futhark,diku-dk/futhark,diku-dk/futhark,mrakgr/futhark,mrakgr/futhark