Theme: comment2 re-enabled, it defines colour of multiline comments. Fixes #3367

Author: Federico Fissore

app/src/processing/app/syntax/SketchTextArea.java

@@ -125,6 +125,7 @@ private void setTheme(String name) throws IOException {
     setSyntaxTheme(TokenTypes.COMMENT_EOL, "comment1");
     setSyntaxTheme(TokenTypes.COMMENT_KEYWORD, "comment1");
     setSyntaxTheme(TokenTypes.COMMENT_MARKUP, "comment1");
+    setSyntaxTheme(TokenTypes.COMMENT_MULTILINE, "comment2");
     setSyntaxTheme(TokenTypes.LITERAL_BOOLEAN, "literal_boolean");
     setSyntaxTheme(TokenTypes.LITERAL_CHAR, "literal_char");
     setSyntaxTheme(TokenTypes.LITERAL_STRING_DOUBLE_QUOTE, "literal_string_double_quote");