Small fixes

server-rs/src/data.rs

@@ -6,6 +6,29 @@ mod postcodes;
 mod property;
 pub mod travel_time;
 
+/// Apostrophe-like code points that should be elided (not treated as word breaks) when
+/// normalizing search text. Keyboards, autocorrect and copy-paste all produce different glyphs
+/// for what users mean as an apostrophe; treating any of them as a separator turns "King's Cross"
+/// into the tokens `king s cross` and breaks matching. Covers the straight ASCII apostrophe, the
+/// typographic left/right single quotes, grave/acute accents, the modifier-letter apostrophes,
+/// prime, and the fullwidth apostrophe.
+pub(crate) fn is_apostrophe(ch: char) -> bool {
+    matches!(
+        ch,
+        '\u{0027}' // ' APOSTROPHE
+            | '\u{0060}' // ` GRAVE ACCENT
+            | '\u{00B4}' // ´ ACUTE ACCENT
+            | '\u{02B9}' // ʹ MODIFIER LETTER PRIME
+            | '\u{02BB}' // ʻ MODIFIER LETTER TURNED COMMA (ʻokina)
+            | '\u{02BC}' // ʼ MODIFIER LETTER APOSTROPHE
+            | '\u{2018}' // ' LEFT SINGLE QUOTATION MARK
+            | '\u{2019}' // ' RIGHT SINGLE QUOTATION MARK
+            | '\u{201B}' // ‛ SINGLE HIGH-REVERSED-9 QUOTATION MARK
+            | '\u{2032}' // ′ PRIME
+            | '\u{FF07}' // ＇ FULLWIDTH APOSTROPHE
+    )
+}
+
 fn panic_payload_message(payload: &(dyn std::any::Any + Send)) -> String {
     if let Some(message) = payload.downcast_ref::<&'static str>() {
         (*message).to_string()