\version "2.6.3"

sha = #(ly:export (ly:wide-char->utf-8 #x05e9))
l = #(ly:export (ly:wide-char->utf-8 #x05dc))
o = #(ly:export (ly:wide-char->utf-8 #x05d5))
m = #(ly:export (ly:wide-char->utf-8 #x05dd))

lyexport = \markup { \sha \l \o \m }
gedit = "שלום"

\header {
  title = \markup { "gedit=" \gedit }
  subtitle = \markup { "lyexport=" \lyexport }
}

\score {
  { a' }
}