Issue 4894: Remove unescaped @funindex entries

With adjacent @funindex entries of which one differs from the other
only by the absence of a preceding backslash, the one without the
preceding backslash is removed.  This is done by using the script:

    sed -i '/^@funindex/{N;s/^@funindex \\\([^\n\\]*\)\n@funindex \1$/@funindex \\\1/mg;s/^@funindex \([^\n\\]*\)\n@funindex \\\1$/@funindex \\\1/mg;P;D;}' $(git grep -l '^@funindex')

4 files changed, 0 insertions, 63 deletions

diff --git a/Documentation/learning/common-notation.itely b/Documentation/learning/common-notation.itely
index 1f68b2b5c7..b51766c0a2 100644
--- a/Documentation/learning/common-notation.itely
+++ b/Documentation/learning/common-notation.itely
@@ -178,11 +178,8 @@ like German and Dutch.  To use other names for
 @cindex layout vs. content
 
 @funindex \key
-@funindex key
 @funindex \major
-@funindex major
 @funindex \minor
-@funindex minor
 
 Music Glossary: @rglos{key signature}, @rglos{major},
 @rglos{minor}.
@@ -441,11 +438,8 @@ to let LilyPond determine the articulation directions.
 @funindex \mf
 @funindex \pp
 @funindex \<
-@funindex <
 @funindex \>
-@funindex >
 @funindex \!
-@funindex !
 
 Music Glossary: @rglos{dynamics}, @rglos{crescendo},
 @rglos{decrescendo}.
@@ -483,7 +477,6 @@ Notation Reference:
 @cindex markup
 
 @funindex \markup
-@funindex markup
 
 Text may be added to your scores:
 
@@ -520,9 +513,7 @@ Notation Reference:
 @funindex [
 @funindex ]
 @funindex \autoBeamOff
-@funindex autoBeamOff
 @funindex \autoBeamOn
-@funindex autoBeamOn
 
 Music Glossary: @rglos{beam}.
 
@@ -579,7 +570,6 @@ Notation Reference:
 @cindex partial measure
 
 @funindex \partial
-@funindex partial
 
 Music Glossary: @rglos{anacrusis}.
 
@@ -602,7 +592,6 @@ is a quarter note pickup and @code{\partial 8} an eighth note.
 @cindex triplets
 
 @funindex \tuplet
-@funindex tuplet
 
 Music Glossary: @rglos{note value}, @rglos{triplet}.
 
@@ -631,9 +620,7 @@ For triplets, there are three notes instead of two, so
 @cindex appoggiatura
 
 @funindex \grace
-@funindex grace
 @funindex \acciaccatura
-@funindex acciaccatura
 @funindex \appoggiatura
 @funindex acciaccatura
 
@@ -821,10 +808,8 @@ out on a single staff.
 @cindex notation context
 
 @funindex \new Staff
-@funindex new Staff
 @funindex Staff
 @funindex \new
-@funindex new
 @funindex Score
 @funindex Voice
 @funindex Lyrics
@@ -1020,7 +1005,6 @@ This section introduces vocal music and simple song sheets.
 @cindex songs
 
 @funindex \addlyrics
-@funindex addlyrics
 
 Music Glossary: @rglos{lyrics}.
 
@@ -1387,7 +1371,6 @@ places.  The following example uses the above variables:
 @cindex header block
 
 @funindex \header
-@funindex header
 
 The title, composer, opus number, and similar information are
 entered in the @code{\header} block.  This exists outside of the
diff --git a/Documentation/learning/fundamental.itely b/Documentation/learning/fundamental.itely
index b936ca4971..6b74fe954a 100644
--- a/Documentation/learning/fundamental.itely
+++ b/Documentation/learning/fundamental.itely
@@ -68,9 +68,7 @@ There are many variations of this basic pattern, but this
 example serves as a useful starting place.
 
 @funindex \book
-@funindex book
 @funindex \score
-@funindex score
 @cindex book
 @cindex score
 
@@ -154,11 +152,8 @@ things, such as
 @end example
 
 @funindex \header
-@funindex header
 @funindex \layout
-@funindex layout
 @funindex \midi
-@funindex midi
 @cindex header
 @cindex layout
 @cindex midi
@@ -184,7 +179,6 @@ Notation Reference -- @ruser{Score layout}, and
 @cindex book block, implicit
 @cindex implicit book block
 @funindex \book
-@funindex book
 
 You may code multiple @code{\score} blocks.  Each will be
 treated as a separate score, but they will be all combined into
@@ -252,7 +246,6 @@ For a complete definition of the input format, see
 @subsection Score is a (single) compound musical expression
 
 @funindex \score
-@funindex score
 @cindex score
 @cindex contents of a score block
 @cindex score block, contents of
@@ -944,15 +937,10 @@ Notation Reference: @ruser{Multiple voices}.
 @subsection Explicitly instantiating voices
 
 @funindex \voiceOne
-@funindex voiceOne
 @funindex \voiceTwo
-@funindex voiceTwo
 @funindex \voiceThree
-@funindex voiceThree
 @funindex \voiceFour
-@funindex voiceFour
 @funindex \oneVoice
-@funindex oneVoice
 @funindex \new Voice
 @cindex voice contexts, creating
 
@@ -1139,13 +1127,9 @@ as here:
 @cindex collisions, notes
 @cindex shift commands
 @funindex \shiftOff
-@funindex shiftOff
 @funindex \shiftOn
-@funindex shiftOn
 @funindex \shiftOnn
-@funindex shiftOnn
 @funindex \shiftOnnn
-@funindex shiftOnnn
 
 Closely spaced notes in a chord, or notes occurring at the same
 time in different voices, are arranged in two, occasionally more,
@@ -1196,7 +1180,6 @@ expressions -- notes and lyrics.
 
 @funindex \new Lyrics
 @funindex \lyricsto
-@funindex lyricsto
 @funindex Lyrics
 @cindex Lyrics context, creating
 @cindex lyrics, linking to voice
@@ -1232,7 +1215,6 @@ explicitly.
 @cindex lyrics and beaming
 @cindex beaming and lyrics
 @funindex \autoBeamOff
-@funindex autoBeamOff
 
 The automatic beaming which LilyPond uses by default works well
 for instrumental music, but not so well for music with lyrics,
@@ -1243,7 +1225,6 @@ melismata in the lyrics.  In the example above we use the command
 @funindex \new ChoirStaff
 @funindex ChoirStaff
 @funindex \lyricmode
-@funindex lyricmode
 @cindex vocal score structure
 @cindex choir staff
 
@@ -1451,7 +1432,6 @@ Notation Reference: @ruser{Contexts explained}.
 @subsection Creating contexts
 
 @funindex \new
-@funindex new
 @cindex new contexts
 @cindex creating contexts
 @cindex contexts, creating
@@ -1653,9 +1633,7 @@ Internals reference: @rinternals{Engravers and Performers}.
 @cindex context properties, modifying
 @cindex modifying context properties
 @funindex \set
-@funindex set
 @funindex \unset
-@funindex unset
 
 Contexts are responsible for holding the values of a number of
 context @emph{properties}.  Many of them can be changed to
@@ -1849,7 +1827,6 @@ general way by using the very powerful @code{\markup} command.
 @subsubheading Setting context properties with @code{\with}
 
 @funindex \with
-@funindex with
 @cindex context properties, setting with \with
 
 The default value of context properties may be set at the time the
@@ -1898,7 +1875,6 @@ with @code{\set}, this new default value may be restored with the
 
 @cindex context properties, setting with \context
 @funindex \context
-@funindex context
 
 The values of context properties may be set in @emph{all} contexts
 of a particular type, such as all @code{Staff} contexts, with a single
@@ -1977,9 +1953,7 @@ Internals Reference:
 @cindex removing engravers
 
 @funindex \consists
-@funindex consists
 @funindex \remove
-@funindex remove
 
 We have seen that contexts each contain several engravers, each
 of which is responsible for producing a particular part of the
@@ -2075,7 +2049,6 @@ the notes in all the voices on that staff:
 @subsubheading Changing all contexts of the same type
 
 @funindex \layout
-@funindex layout
 
 The examples above show how to remove or add engravers to
 individual contexts.  It is also possible to remove or add
diff --git a/Documentation/learning/tutorial.itely b/Documentation/learning/tutorial.itely
index f4e9302eae..27084f32ea 100644
--- a/Documentation/learning/tutorial.itely
+++ b/Documentation/learning/tutorial.itely
@@ -206,7 +206,6 @@ values are useful.
 @cindex relative mode, and accidentals
 
 @funindex \relative
-@funindex relative
 @funindex '
 @funindex ,
 
@@ -379,7 +378,6 @@ A @notation{rest} is entered just like a note with the name
 @cindex time signature
 
 @funindex \time
-@funindex time
 
 Music Glossary: @rglos{time signature}.
 
@@ -404,7 +402,6 @@ command:
 @cindex metronome marks
 
 @funindex \tempo
-@funindex tempo
 
 Music Glossary: @rglos{tempo indication}, @rglos{metronome}.
 
@@ -436,7 +433,6 @@ set with the @code{\tempo} command:
 @cindex bass
 
 @funindex \clef
-@funindex clef
 
 Music Glossary: @rglos{clef}.
 
diff --git a/Documentation/learning/tweaks.itely b/Documentation/learning/tweaks.itely
index 95229692d6..001f4136a3 100644
--- a/Documentation/learning/tweaks.itely
+++ b/Documentation/learning/tweaks.itely
@@ -207,7 +207,6 @@ Notation Reference:
 @cindex override syntax
 
 @funindex \override
-@funindex override
 
 We have already met the commands @code{\set} and @code{\with}, used to
 change the properties of @strong{contexts} and to remove and add
@@ -280,7 +279,6 @@ color of the note head:
 @cindex revert command
 
 @funindex \revert
-@funindex revert
 
 Once overridden, the property retains its new value until it is
 overridden again or a @code{\revert} command is encountered.
@@ -318,7 +316,6 @@ of the note head to the default value for the final two notes:
 @unnumberedsubsubsec The @code{@bs{}once} prefix
 
 @funindex \once
-@funindex once
 
 @code{\override}, @code{\revert}, @code{\set}, and @code{\unset}
 commands may be prefixed with @code{\once}.  This causes such a
@@ -365,7 +362,6 @@ predefined commands to limit their effect to one musical moment:
 @cindex overrideProperty command
 
 @funindex \overrideProperty
-@funindex overrideProperty
 
 There is another form of the override command,
 @code{\overrideProperty}, which is occasionally required.
@@ -380,7 +376,6 @@ We mention it here for completeness, but for details see
 @cindex tweak command
 
 @funindex \tweak
-@funindex tweak
 
 The final tweaking command which is available is @code{\tweak}.  This
 should be used when several objects occur at the same musical moment,
@@ -787,7 +782,6 @@ location.
 @cindex once override
 
 @funindex \once
-@funindex once
 
 As you can see, @emph{all} the slurs are thicker in the final example
 above.  But what if we wanted just the first slur to be thicker?  This
@@ -832,7 +826,6 @@ command.
 @cindex default properties, reverting to
 
 @funindex \revert
-@funindex revert
 
 Finally, what if we wanted just the first two slurs to be
 heavier?  Well, we could use two commands, each preceded by
@@ -2243,9 +2236,7 @@ these.
 @cindex ottava bracket
 
 @funindex \startTextSpan
-@funindex startTextSpan
 @funindex \stopTextSpan
-@funindex stopTextSpan
 
 @cindex TextSpanner, example of overriding
 @cindex bound-details property, example
@@ -2393,9 +2384,7 @@ command.
 @cindex notes, spreading out with text
 
 @funindex \textLengthOn
-@funindex textLengthOn
 @funindex \textLengthOff
-@funindex textLengthOff
 
 By default, text produced by markup takes up no horizontal space
 as far as laying out the music is concerned.  The @code{\textLengthOn}
@@ -2906,13 +2895,9 @@ and notes in different voices.
 @cindex collisions, notes
 @cindex shift commands
 @funindex \shiftOff
-@funindex shiftOff
 @funindex \shiftOn
-@funindex shiftOn
 @funindex \shiftOnn
-@funindex shiftOnn
 @funindex \shiftOnnn
-@funindex shiftOnnn
 
 Within a voice, all the notes occuring at the same musical moment are
 grouped into a note column, and a @code{NoteColumn} object is created