From c3580528bb71447ff7047bb9dd0aba71fb440ab5 Mon Sep 17 00:00:00 2001
From: Jim Balhoff <jim@balhoff.org>
Date: Wed, 15 Feb 2023 09:58:25 -0500
Subject: [PATCH] Fix Turtle syntax errors with multiline comments.

---
 .../java/org/hl7/fhir/utilities/turtle/Turtle.java    | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/turtle/Turtle.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/turtle/Turtle.java
index e30d36d38..59fd5e916 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/turtle/Turtle.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/turtle/Turtle.java
@@ -472,7 +472,7 @@ public class Turtle {
 	  writer.ln();
 	  if (!section.comments.isEmpty()) {
 	    for (String s : section.comments) {
-	      writer.ln("# "+s);		  
+	      writer.ln("# "+formatMultilineComment(s));
 	    }
 	    writer.ln();
 	  }
@@ -508,7 +508,7 @@ public class Turtle {
 						writer.write("]");
 				}
         }
-				String comment = p.comment == null? "" : " # "+p.comment;
+				String comment = p.comment == null? "" : " # "+formatMultilineComment(p.comment);
 				if (p.asList) writer.write(" )");	
 				i++;
 				if (i < sbj.predicates.size())
@@ -521,6 +521,11 @@ public class Turtle {
 	  }
 	}
   }
+	
+  private String formatMultilineComment(String s) {
+	  return s.replace("\n", "\n#");
+  }
+
 
   private void commitSection(StringBuilder b, Section section) throws Exception {
     b.append("# - "+section.name+" "+Utilities.padLeft("", '-', 75-section.name.length())+"\r\n");
@@ -558,7 +563,7 @@ public class Turtle {
               b.append("]");
           }
         }
-        String comment = p.comment == null? "" : " # "+p.comment;
+        String comment = p.comment == null? "" : " # "+formatMultilineComment(p.comment);
         if (p.asList) b.append(" )");
         i++;
         if (i < sbj.predicates.size())