This just disables mark_page_link in the EPS header. When including
EPS files in LilyPond itself, BeginEPSF and EndEPSF should limit the
effect of this redefinition to the EPS file itself, restoring the
userdict afterwards.
(header (eps-header paper rounded-bbox load-fonts)))
(display header port)
(write-preamble paper load-fonts port)
+ (display "/mark_page_link { pop pop pop pop pop } bind def\n" port)
(display "gsave set-ps-scale-to-lily-scale\n" port)
(ly:outputter-dump-stencil outputter dump-me)
(display "stroke grestore\n%%Trailer\n%%EOF\n" port)