Slur collision with polyphonic music

[Zoltán Selyem]

%% Though I have no idea where and how to place these slurs
%% according to classical typographical rules...

%% Slurs collide with polyphonic music
%% In the last measure the lower slur points to the wrong note

\version "2.11.21"
\paper{ ragged-right=##t }
\relative g' {
  \voiceOne
  <<
  {
    g2( e') | c( g) | e'( e,) | e'2.( e,4) |
  }
  \new Voice{ \voiceTwo
    c'2( g) | g( c) | g4 a b c | g( g g g') |
  }
  >>
  \oneVoice
}