Chapter 3
Common to Plain and LaTeX-Plain

ltplain.dtx

<..latex ltplain..>
 <.plain,ltplain obeylines,oalign.>
 -_-_-

plain.tex and latex.

The following is assumed to be within a group.

<..plain,ltplain obeylines,oalign..>
 \def\:temp{\o:obeylines:
    \let\obeylines=\o:obeylines:
    \a:obyln \global\let\x:obln=\end:obeylines \aftergroup\x:obln
    \def\:temp{%
       \ifx\:tempa\par \ht:everypar{\ht:everypar{\b:obyln}}%
       \else \ht:everypar{\b:obyln}\fi}%
    \futurelet\:tempa\:temp }
 \HLet\obeylines=\:temp
 \NewConfigure{obeylines}[3]{\c:def\a:obyln{#1}\c:def\b:obyln{#3}%
    \c:def\end:obeylines{#2}}
 -_-_-

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