Remove several warnings in the regtests, add warning-as-error where needed

12 files changed, 17 insertions, 10 deletions

diff --git a/input/regression/bom-mark.ly b/input/regression/bom-mark.ly
index 19895a5af8..854754bafb 100644
--- a/input/regression/bom-mark.ly
+++ b/input/regression/bom-mark.ly
@@ -1,6 +1,6 @@
+#(ly:set-option 'warning-as-error #f)
  \version "2.15.9"
 
-#(ly:set-option 'warning-as-error #f)
 
 \header {
   texidoc = "This input file contains a UTF-8 BOM not at the very beginning,
diff --git a/input/regression/incompatible-stem-warning.ly b/input/regression/incompatible-stem-warning.ly
index 287c67403d..29631053fe 100644
--- a/input/regression/incompatible-stem-warning.ly
+++ b/input/regression/incompatible-stem-warning.ly
@@ -1,4 +1,5 @@
 \version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
 
 \header {
 
diff --git a/input/regression/quote-during.ly b/input/regression/quote-during.ly
index 3abc0eb633..aa14aef30c 100644
--- a/input/regression/quote-during.ly
+++ b/input/regression/quote-during.ly
@@ -32,9 +32,9 @@ original = \relative c'' { c8 d s2 es8 gis8 }
 	
 	\set Staff.instrumentName = "orig+quote"	
 	\set Staff.quotedEventTypes = #'(note-event articulation-event)
-	\new Voice {
+	\new Voice {\voiceOne
 	    \override Voice . Beam #'collision-voice-only = ##t
 	    \original }
-	{ s4 \quoteDuring #"quoteMe" { s2. } }
+	\new Voice {\voiceTwo s4 \quoteDuring #"quoteMe" { s2. } }
     >>
 >>
diff --git a/input/regression/quote.ly b/input/regression/quote.ly
index 97e158ed90..ee26fc453f 100644
--- a/input/regression/quote.ly
+++ b/input/regression/quote.ly
@@ -30,10 +30,9 @@ original = \relative c'' { c8 d s2 es8 gis8 }
     \new Staff \relative c'' <<
 	\set Staff.instrumentName = "orig+quote"	
 	\set Staff.quotedEventTypes = #'(note-event articulation-event)
-	\new Voice {
-	    \override Voice . Beam #'collision-voice-only = ##t
+	\new Voice {\voiceOne
 	    \original }
-	\new Voice {
+	  \new Voice {\voiceTwo
 	    s4
 	    \set fontSize = #-4
 	    \override Stem #'length-fraction = #(magstep -4)
diff --git a/input/regression/repeat-unfold.ly b/input/regression/repeat-unfold.ly
index c48bb909cb..9b1578266d 100644
--- a/input/regression/repeat-unfold.ly
+++ b/input/regression/repeat-unfold.ly
@@ -11,6 +11,8 @@ get to the number of repeats.
 Unfolded behavior:"
 }
 
+#(ly:set-option 'warning-as-error #f)
+
 \context Voice \relative c'' {
   \repeat unfold 3 { c^"3x 0a" d }
   %% less alts than body
diff --git a/input/regression/repeat-volta.ly b/input/regression/repeat-volta.ly
index 2614b237e8..d1c26e76c3 100644
--- a/input/regression/repeat-volta.ly
+++ b/input/regression/repeat-volta.ly
@@ -1,4 +1,5 @@
 \version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
 
 \header{
   texidoc="
diff --git a/input/regression/skiptypesetting-bar-check.ly b/input/regression/skiptypesetting-bar-check.ly
index 5658d5ef37..ce0daec988 100644
--- a/input/regression/skiptypesetting-bar-check.ly
+++ b/input/regression/skiptypesetting-bar-check.ly
@@ -1,4 +1,5 @@
 \version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
 
 \header {
 
diff --git a/input/regression/stem-tremolo.ly b/input/regression/stem-tremolo.ly
index 166ebbceb6..8c0ef57d79 100644
--- a/input/regression/stem-tremolo.ly
+++ b/input/regression/stem-tremolo.ly
@@ -15,7 +15,7 @@ a fixed distance from the note head.
 "
 }
 
-
+#(ly:set-option 'warning-as-error #f)
 
 \context Voice \relative c''{
   \textSpannerUp
diff --git a/input/regression/tablature-negative-fret.ly b/input/regression/tablature-negative-fret.ly
index fd7b7cea2e..0010438d26 100644
--- a/input/regression/tablature-negative-fret.ly
+++ b/input/regression/tablature-negative-fret.ly
@@ -1,4 +1,5 @@
 \version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
 
 \header {
 
diff --git a/input/regression/tablature-zero-finger.ly b/input/regression/tablature-zero-finger.ly
index 89db7ab1aa..60c0113dc6 100644
--- a/input/regression/tablature-zero-finger.ly
+++ b/input/regression/tablature-zero-finger.ly
@@ -1,4 +1,5 @@
 \version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
 
 \header {
   texidoc="
diff --git a/input/regression/tie-arpeggio.ly b/input/regression/tie-arpeggio.ly
index 6c31362363..99ff64c714 100644
--- a/input/regression/tie-arpeggio.ly
+++ b/input/regression/tie-arpeggio.ly
@@ -1,16 +1,16 @@
+\version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
+
 \header
 {
 
   texidoc =
-
   "when @code{tieWaitForNote} is set, the right-tied note does not
  have to follow the lef-tied note directly. When @code{tieWaitForNote}
  is set to false, any tie will erase all pending ties."
   
 }
 
-\version "2.14.0"
-
 \paper { ragged-right =  ##t }
 \relative c' {
   c~ e~ g~ <c, e g>
diff --git a/input/regression/warn-conflicting-key-signatures.ly b/input/regression/warn-conflicting-key-signatures.ly
index 75d6cfc63a..0845cc5f60 100644
--- a/input/regression/warn-conflicting-key-signatures.ly
+++ b/input/regression/warn-conflicting-key-signatures.ly
@@ -1,4 +1,5 @@
 \version "2.14.0"
+#(ly:set-option 'warning-as-error #f)
 
 \header {
   texidoc = "If you specify two different key signatures at one point, a