exppl2e.sty: space character at the beginning of \verb (#49)

exppl2e.sty

@@ -420,6 +420,74 @@
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
+% \section{verb$B$NKAF,$N%9%Z!<%9(B}
+%
+% \begin{macro}{\verb}
+% \changes{v1.1b}{1995/04/05}{$B8_49%b!<%I$N$H$-$O!"(Bpl209.def$B$NDj5A$r;H$&(B}
+% \changes{v1.1g}{1997/01/16}
+%    {\cs{verb}$B%3%^%s%I$r(B\LaTeX\ \texttt{!<1996/06/01!>}$B$K9g$o$;$F=$@5(B}
+% \LaTeX{}$B$N(B|\verb|$B%3%^%s%I$G$O!"?t<0%b!<%I$G$J$$$H$-$O!"(B
+% |\leavevmode|$B$G?eJ?%b!<%I$KF~$C$?$"$H!"(B|\null|$B$r=PNO$7$F$$$^$9!#(B
+% $B%^%/%m(B|\null|$B$O(B|\hbox{}|$B$H$7$FDj5A$5$l$F$$$^$9$N$G!"(B
+% $B$3$3$K$OOB2$J84V%9%Z!<%9!J(B|\xkanjiskip|$B!K$,F~$j$^$;$s!#(B
+%
+% $B$7$+$7!"C1$K(B|\null|$B$r=|$$$F$7$^$&$H!":#EY$O(B|\verb+ abc+|$B$N$h$&$K(B
+% |\verb|$B$NKAF,$KH>3Q6uGr$,$"$k>l9g$K$3$l$,>C$($F$7$^$$$^$9(B(TeX.SX 170245)$B!#(B
+% $B$=$3$G!"(Bp\LaTeX{}$B$G$O(B|\null|$B$NBe$o$j$K(B
+% \begin{enumerate}
+%   \item $BOB2$J84V%9%Z!<%9$NA^F~=hM}$OF)2a$9$k(B
+%   \item $B9TJ,3d;~$K>C$($k(B(discardable)$B%N!<%I$G$O$J$$(B
+% \end{enumerate}
+% $B$NN>>r7o$rK~$?$9%N!<%I$rA^F~$7$^$9!#$3$3$G$O(B|\vadjust{}|$B$H$7$^$7$?!#(B
+%
+% $B$3$N%^%/%m$O!"(B\file{ltmiscen.dtx}$B$GDj5A$5$l$F$$$^$9!#(B
+% \changes{v????}{????/??/??}{\cs{verb}$B$NKAF,$NH>3Q6uGr$rJ];}(B}
+%    \begin{macrocode}
+%<platexrelease>\plIncludeInRelease{????/??/??}{\verb}
+%<platexrelease>                   {Preserve beginning space characters}%
+%<*plcore|platexrelease>
+\if@compatibility\else
+\def\verb{\relax\ifmmode\hbox\else\leavevmode\vadjust{}\fi
+  \bgroup
+    \verb@eol@error \let\do\@makeother \dospecials
+    \verbatim@font\@noligs
+%    \end{macrocode}
+% \LaTeXe\ 2017-04-15$B$KDI?o$7$F!"(B|\verb|$B$NESCf$G%O%$%U%M!<%7%g%s$,5/$-$J$$(B
+% $B$h$&$K(B|\language|$B$r@_Dj$7$^$9!J;29M!'(Blatex2e svn r1405$B!K!#(B
+% \changes{v1.2m}{2017/03/19}{\cs{verb}$B$NESCf$G%O%$%U%M!<%7%g%s$,5/$-$J$$(B
+%    $B$h$&$K(B\cs{language}$B$r@_Dj(B(sync with ltmiscen.dtx 2017/03/09 v1.1m)}
+%    \begin{macrocode}
+    \language\l@nohyphenation
+    \@ifstar\@sverb\@verb}
+\fi
+%</plcore|platexrelease>
+%<platexrelease>\plEndIncludeInRelease
+%<platexrelease>\plIncludeInRelease{2017/04/08}{\verb}
+%<platexrelease>                   {Disable hyphenation in verb}%
+%<platexrelease>\if@compatibility\else
+%<platexrelease>\def\verb{\relax\ifmmode\hbox\else\leavevmode\fi
+%<platexrelease>  \bgroup
+%<platexrelease>    \verb@eol@error \let\do\@makeother \dospecials
+%<platexrelease>    \verbatim@font\@noligs
+%<platexrelease>    \language\l@nohyphenation
+%<platexrelease>    \@ifstar\@sverb\@verb}
+%<platexrelease>\fi
+%<platexrelease>\plEndIncludeInRelease
+%<platexrelease>\plIncludeInRelease{0000/00/00}{\verb}
+%<platexrelease>                   {Disable hyphenation in verb}%
+%<platexrelease>\if@compatibility\else
+%<platexrelease>\def\verb{\relax\ifmmode\hbox\else\leavevmode\fi
+%<platexrelease>  \bgroup
+%<platexrelease>    \verb@eol@error \let\do\@makeother \dospecials
+%<platexrelease>    \verbatim@font\@noligs
+%<platexrelease>    \@ifstar\@sverb\@verb}
+%<platexrelease>\fi
+%<platexrelease>\plEndIncludeInRelease
+%    \end{macrocode}
+% \end{macro}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
 % \section{tabular$B4D6-$N%;%kFb$N(BJFM$B%0%k!=(B}
 %
 % p\LaTeXe{}$B%+!<%M%k(B(2017/07/29)$B$KF3F~$7$?$?$a:o=|!#(B

tests/verb_nohyphenation.tex

@@ -43,10 +43,17 @@
     \verb@eol@error \let\do\@makeother \dospecials
     \verbatim@font\@noligs
     \@ifstar\@sverb\@verb}
-%% pLaTeX (2017/04/08 candidate)
+%% pLaTeX (2017/04/08)
 \def\verb{\relax\ifmmode\hbox\else\leavevmode\fi
   \bgroup
     \verb@eol@error \let\do\@makeother \dospecials
     \verbatim@font\@noligs
     \language\l@nohyphenation
     \@ifstar\@sverb\@verb}
+%% pLaTeX (candidate)
+\def\verb{\relax\ifmmode\hbox\else\leavevmode\vadjust{}\fi
+  \bgroup
+    \verb@eol@error \let\do\@makeother \dospecials
+    \verbatim@font\@noligs
+    \language\l@nohyphenation
+    \@ifstar\@sverb\@verb}

tests/verb_space.tex

@@ -0,0 +1,16 @@
+\documentclass{jarticle}
+\textwidth10zw
+\begin{document}
+\parindent0pt\xkanjiskip=10pt % 強調
+
+x
+
+\verb| |y % \verb の冒頭の空白
+
+あ\verb|a|い % \verb の前の和欧文間空白
+
+a\verb|   bcd|e % 複数の空白
+
+a\verb|bcdbcd|e
+
+\end{document}