--- /dev/null
+\version "2.14.0"
+
+\header {
+ texidoc = "@code{\\tempo} marks are aligned with the time signature
+or first musical element unless the first element is a multi-measure
+rest: in this case, the tempo mark is aligned with the bar line.
+
+By overriding @code{break-align-symbols} the default alignment can be
+changed, as shown by the final metronome mark in this snippet, aligned
+with a key signature.
+"
+}
+
+\layout {
+ line-width = 50\mm
+}
+
+\relative c' {
+ \tempo "T-first"
+ c1
+ \mark \default
+ \tempo "T-note"
+ c1 \break
+ \tempo "T-break"
+ c1
+ \tempo "T-rest"
+ R1 \break
+ \time 8/8
+ \tempo "T-time"
+ R1
+ \override Score.MetronomeMark #'break-align-symbols = #'(key-signature)
+ \key as \major
+ \tempo "T-key"
+ R1
+}