PDF sizes and ChordNames.

[Pierre Perol-Schneider]

Hi LilyPonders,

Please consider the attached file.
When I add the chord names the pdf becomes much heavier (100 to 160 ko).
For only 4 characters (C, F and C7) this seems to me quite a lot.
Can someone explain me the reason of this heavy output?
Is there another way to minimized the pdf size?

TIA,
Pierre

\version "2.18.2"
\pointAndClickOff

exeSixFourSeven = {
  \key ees\major
  \tempo "tempo 647"
  \repeat volta 2 {
    \repeat volta 2 {
      | % mes.1
        s1
        %^\markup "C" % <= alternative chord name for less ko?
    }
    \alternative {
      {
        | % mes.2
          s1
          %^\markup "F" % <= alternative chord name for less ko?
      }
      {
        | % mes.3
          s1 
          %^\markup "C7" % <= alternative chord name for less ko?
      }
    }
    % end.
  }
}

exeSixFourChords = \chordmode {
  | % mes.1
    c1
  | % mes.2
    f1
  | % mes.3
    c1:7 
  % end.
}

% {
\tocItem \markup "647"
\score {
  <<
    %% uncomment the 'ChordNames': pdf will grow from 100 ko to 160 ko
    %\new ChordNames \exeSixFourChords
    \new StaffGroup <<
      \new Staff \exeSixFourSeven
      \new TabStaff \exeSixFourSeven
    >>
  >>
  \layout {
    ragged-right = ##f
    indent = 0
    system-count = 1 % <= specify the number of system (avoid '\break' & '\noBreak' work)
    \context {
      \Score
      \omit BarNumber
    }
    \context {
      \StaffGroup
      \omit SystemStartBracket
    }
    \context {
      \Staff
      \clef "F_8"
      \numericTimeSignature
    }
    \context {
      \TabStaff
      stringTunings = #bass-tuning
      \clef "moderntab"
      \tabFullNotation
      \omit TimeSignature
      \omit TextScript
    }
    \context {
      \FretBoards
      stringTunings = #bass-tuning
    }
  }
  \header {
    piece = \markup\sans\bold\fontsize #5 "647"
  }
}
%}

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