5.1 Root

<..configure docbook amsart..>
 <.article prologue.>
 <.sectioning utilities.>
 <.ams maketitle.>
 <.ams article,report maketitle.>
 <.ams art,proc,book.>
 <.ams art,proc.>
-_-_-

<..configure docbook amsbook..>
 <.article prologue.>
 <.sectioning utilities.>
 <.ams maketitle.>
 <.ams article,report maketitle.>
 <.ams art,proc,book.>
 <.ams book.>
-_-_-

<..configure docbook amsproc..>
 <.article prologue.>
 <.sectioning utilities.>
 <.ams maketitle.>
 <.ams article,report maketitle.>
 <.ams art,proc,book.>
 <.ams art,proc.>
-_-_-

<..configure docbook-mml amsart..>
 <.ams dtd.>
-_-_-

<..ams dtd..>
 \:CheckOption{css} \if:Option
    \:CheckOption{dtd} \if:Option
       \Configure{VERSION}
          {\HCode{<?xml version="1.0"?>\Hnewline}}
       \Configure{DOCTYPE}
         {\HCode{<!DOCTYPE article <.doctype 5.0.> >}}
       \Configure{XML-STYLESHEET}
         {\HCode{<?xml-stylesheet type="text/css" href="\jobname.css"?>
             \Hnewline}}
    \else
       \Configure{VERSION}
          {\HCode{<?xml version="1.0"?>\Hnewline}}
       \Configure{DOCTYPE}
       {\HCode{<!DOCTYPE article <.doctype 5.0.> >}}
       \Configure{XML-STYLESHEET}
         {\HCode{<?xml-stylesheet type="text/css" href="\jobname.css"?>
             \Hnewline}}
    \fi
 \else
    \Configure{VERSION}
       {\HCode{<?xml version="1.0"?>\Hnewline}}
    \Configure{DOCTYPE}
      {\HCode{<!DOCTYPE article <.doctype 5.0.> >\Hnewline }}
 \fi
-_-_-

<..configure docbook Preamble..>+
 \Configure{PROLOG}{VERSION,DOCTYPE,*XML-STYLESHEET}
 \:CheckOption{no-DOCTYPE} \if:Option
    \Configure{PROLOG}{VERSION,*XML-STYLESHEET}
 \fi
-_-_-

<..configure docbook-mml amsbook..>
 <.ams dtd.>
-_-_-

<..configure docbook-mml amsproc..>
 <.ams dtd.>
-_-_-