Bug 56105 Shouldn't use @todo as a default todo tag
I20040324 We shouldn't used @todo as a default todo tag. Doing so causes grief when using @todo inside Javadoc tags.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/javadoc/JavaDoc2HTMLTextReader.java
c= getTag(buffer);
			String tag= buffer.toString();
			
			buffer.setLength(0);
			if (c != -1) {
				buffer.append((char) c);
				c= getContent(buffer, '}');
			}
			
			return printBlockTag(tag, buffer.toString());
		}
		
		return null;
	}
	
	/*
	 * @see SubstitutionTextReaderr#computeSubstitution(int)
	 */
	protected String computeSubstitution(int c) throws IOException {
		if (c == '@')
			return processSimpleTag();
		
		if (c == '{')
			return processBlockTag();
			
		return null;
	}
}