60.10 Incomplete

<..body of amstex.tex..>+
 \def\:temp{{\textfontii AMS}-\TeX}
 \HLet\AmSTeX=\:temp
 -_-_-

<..body of amstex.tex..>+
 \def\linebreak{\RIfM@\mathmodeerr@\linebreak\else
  \ifhmode\unskip\unkern\break \a:linebreak\else
  \vmodeerr@\linebreak\fi\fi}
 \NewConfigure{linebreak}{1}
 -_-_-

<..equations of amstex.tex..>+
                                     \catcode‘\#=13 \catcode‘\!=6
 \def\reg:gathered{\vcenter\bgroup
    \SaveMkHalignConf:g{gathered}%
    \Let@
    \MkHalign#{$\m@th\displaystyle{#}$}}
                                     \catcode‘\#=6 \catcode‘\!=12
 \def\:tempc{\crcr\EndMkHalign
     \RecallMkHalignConfig \egroup\b:gathered}
 \HLet\endgathered=\:tempc
 \def\:temp{\pic:MkHalign{gathered}}
 \HLet\gathered=\:temp
 \NewConfigure{gathered}{6}
 -_-_-

<..equations of amstex.tex..>+
 \let\:insplit=\insplit@
 \def\insplit@{\let\halign=\TeXhalign \:insplit}
 -_-_-