8 doc edits (NR4 & NR5)

[Trevor Bača]

Hi,

The document attached here suggests edits to 8 examples in NR4 and NR5.

Summary (numbering continued from 36 earlier edits to NR1 & NR2):

Edits 37- 40: NR 4.3.1: Line breaking: notation examples 2, 3, 4, 5.
    These four examples show different things about how *automatic*
    line-breaking works (as contrasted with *manual* line-breaking
    with the \break command, which is the point of notation example 1)
    These four examples are good, but there is a presentational
    problem:
    The reason that LilyPond line-breaks where it does in these examples
    is because of the line-width setting, which is not shown
    in any of the four examples
    Easy solution is to add a one-item \paper { } block to each example.

Edit 41: NR 4.3.1: Line breaking: notation example 6: ``Using an extra
voice for breaks''
      The purpose of the example is to show how to manually line-break
      the music into four separate systems.
      But note that the example shows FIVE systems of music, not four.
      The reason for this is that line-width is set to 160\mm.
      (And this setting is not included where users can see it.)

Edit 42: NR 5.3.6: \tweak and \single: notation example 6.
      This page only exists in the 2.25 version of the docs;
      page does not exist in the 2.24 version of the docs
    * The example clips \relative from user-visible input;
      this means that the user-visible music input in the example is in the
      wrong octave

Edit 43: NR 5.3.7: The \offset command
      This page is NR 5.3.7 in the 2.25 version of the docs;
      it is NR 5.3.6 in the 2.25 version of the docs
    * All chords in the example are correct, except the last one.
      The final chord in the example (root-position C-major triad)
      purports to show arpeggio-lengthening done with
      \once \override Arpeggio.positions = #'(-3.5 . -0.5)
      But this doesn't work; the offset positions have to be
      greater to lengthen the arpeggio

Edit 44: NR 5.4.6: Line spanners: notation example 2.
    * The code contains \override Glissando.breakable = ##t,
      which is no longer necessary when using a manual \break command

Suggested edits for these 8 examples are included in the .ly file attached
here.

This concludes the list of edits I found when reviewing all 5 chapters of
the Notation Reference.

-- 
Trevor Bača
www.trevorbaca.com
soundcloud.com/trevorbaca

NR4-NR5-doc-edits.ly
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