diff --git a/bedstead.c b/bedstead.c
index 32dd1f8..4621f49 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -1136,9 +1136,11 @@ static struct glyph {
  /* Spacing modifier letters */
  {"\20\20\30\24\24\00\00\00\00", U(02B0) }, /* Superscript h */
  {"\10\00\10\10\10\20\00\00\00", U(02B2) }, /* Superscript j */
- {"\10\10\20\20\00\00\00\00\00", U(02B9) }, /* modifier letter prime */
- {"\11\11\22\22\00\00\00\00\00", U(02BA) }, /* modifier double prime */
- {"\04\04\10\00\00\00\00\00\00", U(02BC) }, /* Modifier apostrophe */
+ UALIAS(0x02b9, "uni02B9", "minute"),
+ UALIAS(0x02ba, "uni02BA", "second"),
+ UALIAS(0x02bb, "uni02BB", "quoteleft"),
+ UALIAS(0x02bc, "uni02BC", "quoteright"),
+ UALIAS(0x02bd, "uni02BD", "quotereversed"),
  {"\04\12\00\00\00\00\00\00\00", 0x02c6, "circumflex" },
  {"\12\04\00\00\00\00\00\00\00", 0x02c7, "caron" },
  {"\04\04\04\00\00\00\00\00\00", U(02C8) }, /* Vertical stroke (superior) */