Release 2.7.3.3: dark theme and Amnezia vpn:// import fixes.

internal/linknorm/sanitize.go

@@ -0,0 +1,35 @@
+package linknorm
+
+import (
+	"strings"
+	"unicode"
+)
+
+// SanitizeShareText strips BOM, bidi isolates and zero-width chars that break
+// scheme detection (common when pasting from messengers / Amnezia share).
+func SanitizeShareText(raw string) string {
+	raw = strings.TrimPrefix(raw, "\ufeff")
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return ""
+	}
+	var b strings.Builder
+	b.Grow(len(raw))
+	for _, r := range raw {
+		switch r {
+		case '\u200b', '\u200c', '\u200d', '\u2060', '\ufeff', // zero-width / BOM
+			'\u2066', '\u2067', '\u2068', '\u2069', // LRI/RLI/FSI/PDI
+			'\u200e', '\u200f', // LRM/RLM
+			'\u202a', '\u202b', '\u202c', '\u202d', '\u202e': // embedding overrides
+			continue
+		}
+		if r < 0x20 && r != '\n' && r != '\r' && r != '\t' {
+			continue
+		}
+		if unicode.Is(unicode.Cf, r) { // other format controls
+			continue
+		}
+		b.WriteRune(r)
+	}
+	return strings.TrimSpace(b.String())
+}