plext.dtx: Add \leavevmode to \@@rensuji for yoko dir (#26)

plext.dtx

@@ -35,6 +35,8 @@
 % \changes{v1.2a}{2016/08/20}{\cs{parbox}$BA08e$NM>J,$J(B\cs{xkanjiskip}$B$r:o=|(B}
 % \changes{v1.2a}{2016/08/20}{$B2#AH$G(B\texttt{<t>}$B$r;XDj$7$?>l9g$K(B
 %    \cs{@arstrutbox}$B$rM>7W$K(B\cs{hbox}$B$KF~$l$F$$$?$N$r=$@5(B}
+% \changes{v1.2b}{2016/11/07}{$B2#AH$GCJMn$NF,$K(B\cs{rensuji}$B$r;H$($k(B
+%    $B$h$&$K(B\cs{leavevmode}$B$rDI2C$7$F=$@5(B}
 % \fi
 %
 % \iffalse
@@ -43,7 +45,7 @@
 \ProvidesFile{plext.dtx}
 %</driver>
 %<package>\ProvidesPackage{plext}
-   [2016/08/20 v1.2a pLaTeX package file (community edition)]
+   [2016/11/07 v1.2b pLaTeX package file (community edition)]
 %<*driver>
 \documentclass{jltxdoc}
 \usepackage{plext}
@@ -1083,13 +1085,16 @@
 % |\rensuji|$B$O!"(B|*|$B7A<0$+$I$&$+$rD4$Y$^$9!#(B
 % |\@rensuji|$B$O!"0LCV%*%W%7%g%s$rD4$Y$^$9!#(B
 % |\@@rensuji|$B$,(B|\rensuji|$B$NFbIt7A<0$G$9!#(B
+% \changes{v1.2b}{2016/11/07}{$B2#AH$GCJMn$NF,$K(B\cs{rensuji}$B$r;H$($k(B
+%    $B$h$&$K(B\cs{leavevmode}$B$rDI2C$7$F=$@5(B}
 %    \begin{macrocode}
 \DeclareRobustCommand\rensuji{%
   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
-\def\@@rensuji[#1]#2{\ifydir\hbox{#2}\else
-  \hskip\rensujiskip
+\def\@@rensuji[#1]#2{%
   \ifvmode\leavevmode\fi
+  \ifydir\hbox{#2}\else
+  \hskip\rensujiskip
   \ifnot@advanceline\not@advancelinefalse\else
     \setbox\z@\hbox{\yoko#2}%
     \@tempdima\ht\z@ \advance\@tempdima\dp\z@

plext.sty

@@ -15,7 +15,7 @@
 %% File: plext.dtx
 \NeedsTeXFormat{pLaTeX2e}
 \ProvidesPackage{plext}
-   [2016/08/20 v1.2a pLaTeX package file (community edition)]
+   [2016/11/07 v1.2b pLaTeX package file (community edition)]
 \newif\if@rotsw
 \def\array{\let\@acol\@arrayacol \let\@classz\@arrayclassz
   \let\@classiv\@arrayclassiv
@@ -482,9 +482,10 @@
 \DeclareRobustCommand\rensuji{%
   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
-\def\@@rensuji[#1]#2{\ifydir\hbox{#2}\else
-  \hskip\rensujiskip
+\def\@@rensuji[#1]#2{%
   \ifvmode\leavevmode\fi
+  \ifydir\hbox{#2}\else
+  \hskip\rensujiskip
   \ifnot@advanceline\not@advancelinefalse\else
     \setbox\z@\hbox{\yoko#2}%
     \@tempdima\ht\z@ \advance\@tempdima\dp\z@