man: Don't expand man page extensions too early.

Breaks for example subdir completions if there is a subdir whose name
matches extensions in the current dir.

completions/man

@@ -18,7 +18,7 @@ _man()
             return
             ;;
         -l|--local-file)
-            _filedir $manext
+            _filedir "$manext"
             return
             ;;
         -M|--manpath)
@@ -52,7 +52,7 @@ _man()
 
     # file based completion if parameter looks like a path
     if [[ "$cur" == @(*/|[.~])* ]]; then
-        _filedir $manext
+        _filedir "$manext"
         return 0
     fi
 
@@ -91,7 +91,7 @@ _man()
         # File based completion for the rest, prepending ./ if needed
         # (man 1.6f needs that for man pages in current dir)
         local i start=${#COMPREPLY[@]}
-        _filedir $manext
+        _filedir "$manext"
         for (( i=$start; i < ${#COMPREPLY[@]}; i++ )); do
             [[ ${COMPREPLY[i]} == */* ]] || COMPREPLY[i]=./${COMPREPLY[i]}
         done

test/lib/completions/man.exp

@@ -30,4 +30,8 @@ assert_complete "Bash::Completion" "man Bash::C"
 sync_after_int
 
 
+assert_complete_dir "man/quux.8" "man man/" $::srcdir/fixtures/man
+sync_after_int
+
+
 teardown