From 9cbb6b8f9a1e9aec99d6ecb51d126327a3df78b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Katzer?= <katzer.sebastian@googlemail.com>
Date: Fri, 1 Mar 2019 17:48:52 +0100
Subject: [PATCH] Fix potential unknown selector exception

---
 src/ios/APPPrinterLayout.m | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ios/APPPrinterLayout.m b/src/ios/APPPrinterLayout.m
index 2c67c95..78b93ad 100644
--- a/src/ios/APPPrinterLayout.m
+++ b/src/ios/APPPrinterLayout.m
@@ -57,11 +57,12 @@
 + (UIPrintFormatter *) configureFormatter:(UIPrintFormatter *)formatter
                              withSettings:(NSDictionary *)settings
 {
-    id layout = [[self alloc] initWithDictionary:settings];
+    id layout   = [[self alloc] initWithDictionary:settings];
+    SEL setFont = NSSelectorFromString(@"font");
 
     [layout configureFormatter:formatter];
 
-    if (settings && ![formatter isKindOfClass:UIMarkupTextPrintFormatter.class])
+    if (settings && [formatter respondsToSelector:setFont])
     {
         [layout configureTextFormatter:(UISimpleTextPrintFormatter *)formatter
                           withSettings:settings];