Require at least iOS 13.

Author: objecthub

MarkdownKit.xcodeproj/project.pbxproj

@@ -649,6 +649,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
@@ -709,6 +710,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;

Package.swift

@@ -31,7 +31,7 @@ let package = Package(
   name: "MarkdownKit",
   platforms: [
     .macOS(.v10_12),
-    .iOS(.v12)
+    .iOS(.v13)
   ],
   products: [
     .library(name: "MarkdownKit", targets: ["MarkdownKit"]),