List contents not loaded

Hi,

I am trying to generate a postscript file using a freemarker. The list is
iterated as such

72 560 moveto
/rule
(____________________________________________________________________________)
def
/y 550 def /x 72 def
y -20 20 { x exch moveto rule show } for
(<#list comments as comment>${comment}</#list>) rule stringwidth pop {
 x y 1 add moveto show /y y 15 sub def
} BreakIntoLines

To set up data model. 
Map<String, Object> root = new HashMap<String, Object>();
root.put("comments", this.comments);

The file does not load the list content at all. But if I were to write to
the file directly,

BufferedWriter bw = new BufferedWriter(new FileWriter("file.txt"));
bw.write(writeComments().toString());

where 

private StringBuffer generateComments() {   
    StringBuffer buffer = new StringBuffer();
    buffer.append("/rule
(___________________________________________________");
    buffer.append("_________________________) def\n");
    buffer.append("/y 550 def /x 72 def\n");
    buffer.append("y -20 20 { x exch moveto rule show } for\n");
    buffer.append("(");
    if (this.comments != null && !this.comments.isEmpty()) {
      for (String comment : this.comments) {
        if (StringUtils.isBlank(comment)) {
          continue;
        }
        comment = StringUtils.replace(comment, "(", "\\(");
        comment = StringUtils.replaceChars(comment, ")", "\\)");
        comment = StringUtils.replaceChars(comment, "\\", "\\\\");
        buffer.append(comment).append("\n");
      }
    }
    buffer.append(") rule stringwidth pop {\n");
    buffer.append("x y 1 add moveto show /y y 20 sub def\n");
    buffer.append("} BreakIntoLines\n").append("grestore\n");
    return buffer;
  }

works. Is there anything that I am doing in the ftl file. Please help?
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