Update comments for U+180F FVS4
diff --git a/src/hb-unicode.hh b/src/hb-unicode.hh
index ff6447b..4c28bb0 100644
--- a/src/hb-unicode.hh
+++ b/src/hb-unicode.hh
@@ -136,7 +136,7 @@
* As such, we make exceptions for those four.
* Also ignoring U+1BCA0..1BCA3. https://github.com/harfbuzz/harfbuzz/issues/503
*
- * Unicode 7.0:
+ * Unicode 14.0:
* $ grep '; Default_Ignorable_Code_Point ' DerivedCoreProperties.txt | sed 's/;.*#/#/'
* 00AD # Cf SOFT HYPHEN
* 034F # Mn COMBINING GRAPHEME JOINER
@@ -145,6 +145,7 @@
* 17B4..17B5 # Mn [2] KHMER VOWEL INHERENT AQ..KHMER VOWEL INHERENT AA
* 180B..180D # Mn [3] MONGOLIAN FREE VARIATION SELECTOR ONE..MONGOLIAN FREE VARIATION SELECTOR THREE
* 180E # Cf MONGOLIAN VOWEL SEPARATOR
+ * 180F # Mn MONGOLIAN FREE VARIATION SELECTOR FOUR
* 200B..200F # Cf [5] ZERO WIDTH SPACE..RIGHT-TO-LEFT MARK
* 202A..202E # Cf [5] LEFT-TO-RIGHT EMBEDDING..RIGHT-TO-LEFT OVERRIDE
* 2060..2064 # Cf [5] WORD JOINER..INVISIBLE PLUS