1 files changed, 11 insertions, 12 deletions
diff --git a/syntax.md b/syntax.md
index c312dfc..89c1c49 100644
--- a/syntax.md
+++ b/syntax.md
@@ -57,20 +57,19 @@ A *keyword* is one of the following literal words:
 An *identifier* is a sequence of one or more characters having Unicode categories within a legal set.
 
 The first character in an identifier must have one of the following Unicode categories:
-- Connector Punctuation (e.g. `_`)
-- Format Other (e.g. Zero-Width Joiner)
-- Lowercase Letter (e.g. `h`)
-- Modifier Letter (e.g. `ʹ`, U+02B9 Modifier Letter Prime)
-- Modifier Symbol (e.g. `^`, U+005E Circumflex Accent)
-- Nonspacing Mark (e.g. ` ̂`, U+0302 Combining Circumflex Accent)
-- Other Letter (e.g. `א`, U+05D0 Hebrew Letter Alef)
-- Titlecase Letter (e.g. `ǅ`, U+01C5 Latin Capital Letter D With Small Letter Z With Caron)
-- Uppercase Letter (e.g. `B`)
+- `Pc` Connector Punctuation (e.g. `_`)
+- `Ll` Lowercase Letter (e.g. `h`)
+- `Lm` Modifier Letter (e.g. `ʹ`, U+02B9 Modifier Letter Prime)
+- `Lo` Other Letter (e.g. `א`, U+05D0 Hebrew Letter Alef)
+- `Lt` Titlecase Letter (e.g. `ǅ`, U+01C5 Latin Capital Letter D With Small Letter Z With Caron)
+- `Lu` Uppercase Letter (e.g. `B`)
+- `Mn` Nonspacing Mark (e.g. ` ̂`, U+0302 Combining Circumflex Accent)
+- `Sk` Modifier Symbol (e.g. `^`, U+005E Circumflex Accent)
 
 Subsequent characters may have any of the above-listed Unicode categories, or one of the following:
-- Decimal Digit Number (e.g. `0`)
-- Letter Number (e.g. `Ⅳ`, U+2163 Roman Numeral Four)
-- Other Number (e.g. `¼`, U+00BC Vulgar Fraction One Quarter)
+- `Nd` Decimal Digit Number (e.g. `0`)
+- `Nl` Letter Number (e.g. `Ⅳ`, U+2163 Roman Numeral Four)
+- `No` Other Number (e.g. `¼`, U+00BC Vulgar Fraction One Quarter)
 
 ## Constants