diff --git a/lib/unicodesymbols b/lib/unicodesymbols
index e74e7aec64..1e436eee41 100644
--- a/lib/unicodesymbols
+++ b/lib/unicodesymbols
@@ -726,18 +726,18 @@
 0x0374 "\\textgreek{\\char254}"    "textgreek" "" # GREEK NUMERAL SIGN
 0x0375 "\\textgreek{\\char255}"    "textgreek" "" # GREEK LOWER NUMERAL SIGN
 0x037a "\\textgreek{\\char124}"    "textgreek" "" # GREEK YPOGEGRAMMENI
-0x037e "\\textgreek{\\char63}"     "textgreek" "" # GREEK QUESTION MARK
-0x0384 "\\textgreek{\\char39}"     "textgreek" "force" # GREEK TONOS
+0x037e "\\textgreek{?}"            "textgreek" "" # GREEK QUESTION MARK
+0x0384 "\\textgreek{'}"            "textgreek" "force" # GREEK TONOS
 0x0385 "\\textgreek{\\char35}"     "textgreek" "force" # GREEK DIALYTIKA TONOS
-0x0386 "\\textgreek{\\char39A}"    "textgreek" "" # GREEK CAPITAL LETTER ALPHA WITH TONOS
-0x0387 "\\textgreek{\\char38}"     "textgreek" "force" # GREEK ANO TELEIA
-0x0388 "\\textgreek{\\char39E}"    "textgreek" "" # GREEK CAPITAL LETTER EPSILON WITH TONOS
-0x0389 "\\textgreek{\\char39H}"    "textgreek" "" # GREEK CAPITAL LETTER ETA WITH TONOS
-0x038a "\\textgreek{\\char39I}"    "textgreek" "" # GREEK CAPITAL LETTER IOTA WITH TONOS
-0x038c "\\textgreek{\\char39O}"    "textgreek" "" # GREEK CAPITAL LETTER OMICRON WITH TONOS
-0x038e "\\textgreek{\\char39U}"    "textgreek" "" # GREEK CAPITAL LETTER UPSILON WITH TONOS
-0x038f "\\textgreek{\\char39W}"    "textgreek" "" # GREEK CAPITAL LETTER OMEGA WITH TONOS
-0x0390 "\\textgreek{\\char242}"    "textgreek" "" # GREEK SMALL LETTER IOTA WITH DIALYTKA
+0x0386 "\\textgreek{'A}"           "textgreek" "" # GREEK CAPITAL LETTER ALPHA WITH TONOS
+0x0387 "\\textgreek{;}"            "textgreek" "force" # GREEK ANO TELEIA
+0x0388 "\\textgreek{'E}"           "textgreek" "" # GREEK CAPITAL LETTER EPSILON WITH TONOS
+0x0389 "\\textgreek{'H}"           "textgreek" "" # GREEK CAPITAL LETTER ETA WITH TONOS
+0x038a "\\textgreek{'I}"           "textgreek" "" # GREEK CAPITAL LETTER IOTA WITH TONOS
+0x038c "\\textgreek{'O}"           "textgreek" "" # GREEK CAPITAL LETTER OMICRON WITH TONOS
+0x038e "\\textgreek{'U}"           "textgreek" "" # GREEK CAPITAL LETTER UPSILON WITH TONOS
+0x038f "\\textgreek{'W}"           "textgreek" "" # GREEK CAPITAL LETTER OMEGA WITH TONOS
+0x0390 "\\textgreek{\\char242}"    "textgreek" "" # GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS
 0x0391 "\\textgreek{A}"           "textgreek" "" # GREEK CAPITAL LETTER ALPHA
 0x0392 "\\textgreek{B}"           "textgreek" "" # GREEK CAPITAL LETTER BETA
 0x0393 "\\textgreek{G}"           "textgreek" "" # GREEK CAPITAL LETTER GAMMA