change print statement over to new print_msg function

jrnl/messages.py

@@ -140,6 +140,11 @@ class MsgText(Enum):
         No entries to delete, because the search returned no results
         """
 
+    # --- Formats --- #
+    HeadingsPastH6 = """
+        Headings increased past H6 on export - {date} {title}
+        """
+
 
 class Message(NamedTuple):
     text: MsgText

jrnl/plugins/markdown_exporter.py

@@ -4,13 +4,14 @@
 
 import os
 import re
-import sys
-
-from jrnl.color import RESET_COLOR
-from jrnl.color import WARNING_COLOR
 
 from .text_exporter import TextExporter
 
+from jrnl.output import print_msg
+from jrnl.messages import Message
+from jrnl.messages import MsgText
+from jrnl.messages import MsgType
+
 
 class MarkdownExporter(TextExporter):
     """This Exporter can convert entries and journals into Markdown."""
@@ -63,10 +64,12 @@ class MarkdownExporter(TextExporter):
             newbody = newbody + os.linesep
 
         if warn_on_heading_level is True:
-            print(
-                f"{WARNING_COLOR}WARNING{RESET_COLOR}: "
-                f"Headings increased past H6 on export - {date_str} {entry.title}",
-                file=sys.stderr,
+            print_msg(
+                Message(
+                    MsgText.HeadingsPastH6,
+                    MsgType.WARNING,
+                    {"date": date_str, "title": entry.title},
+                )
             )
 
         return f"{heading} {date_str} {entry.title}\n{newbody} "