encoding  utf-8

source cave.th

#!PROCESS
#!FILE 4

source
#!CODE
map m23
  m2
  break
  m3 [-8 0 m] below
endmap

map m123
  m1
  break
  m23 [0 8 m] below
endmap
#!ENDCODE
endsource

#! Then <em>m123</em> looks like this:
#! 
#!IMAGE map4.pdf
#!CLEAN map4.pdf

select m123
input thconfig.layout
export map -layout l -o map4.pdf
