Broken slurs won't overlap end-of-measure clef change

[Javier Ruiz-Alma]

The first segment of a slur that spans to the next system is typeset short if a 
clef change is present at the end of the originating measure.  The first 
segment won't overlap the space above the changed clef.

Javier Ruiz-Alma

\version "2.18.2" 
\score { 
  << 
   { c''2 c''4\( c''  \break 
     c''1\) 
     c''4 c'' c'' c''(      \break 
     c''1) 
   } 
   { c''1 \clef bass 
     c'  c' \clef treble 
     c' 
   } 
  >> 
  \layout { ragged-right = ##t indent = 0 } 
}