expand_line

# File lib/rdoc/template.rb, line 201
  def expand_line(line)
    # Generate a cross reference if a reference is given,
    # otherwise just fill in the name part

    line.gsub!(/HREF:(\w+?):(\w+?):/) {
      ref = @context.lookup($1)
      name = @context.find_scalar($2)

      if ref and !ref.kind_of?(Array)
        "<a href=\"#{ref}\">#{name}</a>"
      else
        name
      end
    }

    # Substitute in values for %xxx% constructs.  This is made complex
    # because the replacement string may contain characters that are
    # meaningful to the regexp (like \1)

    line = line.gsub(/%([a-zA-Z]\w*)%/) {
      val = @context.find_scalar($1) 
      val.tr('\\', "\000")
    }


    line
  rescue Exception => e
    $stderr.puts "Error in template: #{e}"
    $stderr.puts "Original line: #{line}"
    exit
  end