- "includes", "man", "paper", "style",
- "indent", "width", "fragment", "mdoc", "noval"
+ /* Tokens requiring an argument. */
+ "includes", "man", "paper", "style", "indent", "width",
+ "outfilename", "tagfilename",
+ /* Token taking an optional argument. */
+ "tag",
+ /* Tokens not taking arguments. */
+ "fragment", "mdoc", "noval", "toc"