--- /dev/null
+\version "2.14.0"
+
+\header {
+ texidoc = "Page labels on loose columns are not ignored: this includes both mid-line
+unbreakable columns which only contain labels and columns with empty bar lines (and no other
+break-aligned grobs)."
+}
+
+#(set-default-paper-size "a6")
+
+\book {
+ \markuplines \table-of-contents
+
+ \relative c' {
+ c2 \tocItem "Mid-line" c^"mid"
+ c1
+ \bar ""
+ \tocItem "Empty bar line"
+ c1^"empty"
+ }
+}