First version

CHDataManagement/Extensions/Binding+Extension.swift

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+import SwiftUI
+
+public extension Binding where Value: Equatable, Value: Sendable {
+
+    init(_ source: Binding<Value?>, replacingNilWith nilProxy: Value) {
+        self.init(
+            get: { source.wrappedValue ?? nilProxy },
+            set: { newValue in
+                if newValue == nilProxy { source.wrappedValue = nil }
+                else { source.wrappedValue = newValue }
+            }
+        )
+    }
+}

CHDataManagement/Extensions/Color+RGB.swift

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+import SwiftUI
+
+extension Color {
+
+    init(_ r: Int, _ g: Int, _ b: Int) {
+        self.init(r: r, g: g, b: b)
+    }
+
+    init(r: Int, g: Int, b: Int) {
+        self.init(
+            red: Double(r) / 255,
+            green: Double(g) / 255,
+            blue: Double(b) / 255)
+    }
+}

CHDataManagement/Extensions/Environment+Language.swift

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+import Foundation
+import SwiftUI
+
+struct LanguageKey: EnvironmentKey {
+
+    static let defaultValue: ContentLanguage = .english
+}
+
+extension EnvironmentValues {
+
+    var language: ContentLanguage {
+        get { self[LanguageKey.self] }
+        set { self[LanguageKey.self] = newValue }
+    }
+}

CHDataManagement/Extensions/String+Extensions.swift

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+
+extension String {
+
+    func htmlEscaped() -> String {
+        replacingOccurrences(of: "&", with: "&")
+            .replacingOccurrences(of: "\"", with: """)
+            .replacingOccurrences(of: "'", with: "'")
+            .replacingOccurrences(of: "<", with: "&lt;")
+            .replacingOccurrences(of: ">", with: "&gt;")
+    }
+}