Embed langage print when sourcing vim9script

Hi,

Is it normal to get print of embed langage when I source vim9script ?

Thank you

NV

def g:SwitchFtHelper(): void # Syntax / Filetype - Helper {{{

  if ( !exists('g:cachebufnr') )
    g:cachebufnr = bufnr('%')
    g:cacheft = &ft
    StampedEcho( 'Cached filetype is ' .. g:cacheft .. ' and bufnr is ' .. g:cachebufnr )
  endif

  lua << EOF

print('foo')

EOF

enddef   

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