Curious behaviour of q and a tweak

[Paul Hodges]

I wanted to lengthen the stem of a pair of tied chords, but it didn't work as expected.  After some playing around, I found that I cannot tweak the properties of a chord represented by q (repeating the previous chord), but that the tweaks on the original chord get carried over.  This example shows the possibilities:

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\version "2.23.80"

{

  \clef bass

  \voiceTwo

  <a,^~ a,,_~>2 

  \tweak Stem.length #15

  q8 r4. |

  \tweak Stem.length #15

  <a,^~ a,,_~>2 

  q8 r4. |

  <a,^~ a,,_~>2 

  \tweak Stem.length #15

  <a, a,,>8 r4. |

}

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This may be logical in the code, but it surprised me in practical use.

Paul