arydshln (29apr16)

git-svn-id: svn://tug.org/texlive/trunk@40847 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 142 insertions, 51 deletions

diff --git a/Master/texmf-dist/source/latex/arydshln/arydshln.dtx b/Master/texmf-dist/source/latex/arydshln/arydshln.dtx
index 3872f365e7c..a78ea130e03 100644
--- a/Master/texmf-dist/source/latex/arydshln/arydshln.dtx
+++ b/Master/texmf-dist/source/latex/arydshln/arydshln.dtx
@@ -9,7 +9,7 @@
 %% version 1 of the License, or any later version.
 % \fi
 %
-% \CheckSum{3618}
+%
\CheckSum{3618}
 %% \CharacterTable
 %%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
 %%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
@@ -39,7 +39,7 @@
 %<driver>\ProvidesFile{arydshln-man.tex}
 % \fi
 % \ProvidesFile{arydshln.dtx}
-[2016/03/19 v1.72 ]
+[2016/04/28 v1.73 ]
 %
 % \iffalse
 %<*driver>
@@ -218,6 +218,8 @@
 %	\GlossaryParms \let\item\@idxitem \ignorespaces}
 % \def\endtheglossary{\relax}
 % 
+% \let\EQ\relax \let\GT\relax \let\BAR\relax \let\NEQ\relax
+% 
 % \makeatother
 % \errorcontextlines1000
 %
@@ -314,11 +316,22 @@
 % 	\texttt{m}-columns. (2004/7/31)}
 % 
 % \changes{v1.72}{2016/03/19}
-% 	{Bug fix and revision of \S2.4.}
+% 	{Bug fix and revision of \S2.4. (2016/03/19)}
 % \changes{v1.72-1}{2016/03/19}
-% 	{The following are for bug fix for footnotes in \textsf{longtable}'s
+% 	{The followings are for bug fix for footnotes in \textsf{longtable}'s
 % 	\texttt{m}-columns.}
 % 
+% \changes{v1.73}{2016/04/28}
+% 	{Bug fix.  (2016/04/28)}
+% \changes{v1.73-1}{2016/04/28}
+% 	{The followings are to fix the problem that the top edge a vertical
+%	 (dash-)line is at the bottom of a horizontal line rather than it
+%	 top.} 
+% \changes{v1.73-2}{2016/04/28}
+% 	{The followings are to fix the bug that \cs{hdashline}
+%	 is not properly processed in a \texttt{array}\slash
+%	 \texttt{tabular} environment if \textsf{longtable} is loaded.}
+% 
 % 
 %
 % \def\EXCLAMATION{\texttt{!}}
@@ -495,6 +508,19 @@
 %\multicolumn{2}{|l:}{AB}&C\\\hdashline\hdashline
 %\end{tabular}
 %\end{quote}
+%

+% \changes{v1.73-1}{2016/04/28}
+% 	{Add a paragraph describing the perfect contacts of vertical and
+%	 horizontal lines.}
+%

+% Note that the intersections of leftmost/rightmost vertical lines and
+% horizontal dash-lines are little bit different from those produced by
+% ordinary |array|\slash|tabular|.  That is, with very careful examination
+% you will find that vertical lines of ordinary ones are {\em broken\/} with
+% small white specks at intersections, while in the example above they have
+% no specks.  In addition, the four corners of outermost rectangular also
+% have specks in ordinary ones, while those in the example above have
+% perfect contacts of L-shape.
 %
 % \DescribeMacro{\firsthdashline}\DescribeMacro{\lasthdashline}
 % If you use \textsf{array}, the dashed version of |\firsthline| and
@@ -595,13 +621,13 @@
 % other.  Therefore, you will have dash-lines with consistent steps of gaps
 % and spaces the lines in Figure~\ref{fig:mode}(1) are.
 % 
-% \begin{figure}[b]
+% \begin{figure}
 % \catcode`\|12
 % \tabcolsep0pt \setbox\strutbox\hbox{\vrule height14pt depth6pt width0pt}
 % \def\mb{\makebox[20pt]}
 % \dashlinedash3.01pt \dashlinegap3.01pt
 % \def\example#1{\begin{tabular}[b]{|c:c;{2pt/2pt}c|}
-%	\hline\noalign{\vskip-\arrayrulewidth}
+%	\hline
 %	\mb{A}&\mb{A}&\mb{A}\\[-\arrayrulewidth]\hdashline
 %	\mb{B}&\mb{B}&\mb{B}\\[-\arrayrulewidth]\hdashline[2pt/2pt]
 %	\mb{C}&\mb{C}&\mb{C}\\[-\arrayrulewidth]\hline
@@ -998,6 +1024,8 @@
 %	{Thank to Morten H\o gholm.}
 % \changes{v1.72-1}{2016/03/19}
 % 	{Thank to Ma\"ieul Rouquette.}
+% \changes{v1.73}{2016/03/19}
+% 	{Thank to Ma\"ieul Rouquette again.}
 %
 % The author thanks to Monty Hayes who gave the author the opportunity to
 % make this style, and Weimin Zhang and Takahiro Kubota who pointed out bugs
@@ -1019,7 +1047,10 @@
 % version; and Ma\"ieul Rouquette who reported another bug of |m|-type
 % columns of \textsf{longtable} with \textsf{array} which had peacefully
 % hidden in the package for eleven years and a half (!!!)\ since the author
-% made the bug fix shown above carelessly.
+% made the bug fix shown above carelessly, yet another bug related to
+% \textsf{longtable}, and most surprisingly a problem on intersections of
+% horizontal and vertical (dash-)lines which has hidden for 23 years (!!!!)
+% since the very first version of the package.
 %
 % The base implementation of \texttt{array} and \texttt{tabular}
 % environments, part of which the author gives new definitions referring
@@ -1213,7 +1244,7 @@
 %	\togets&i<i'\LAND\\
 % &&	c^i_j=c^{i'}_{j'}\LAND d^i_j=d^{i'}_{j'}\LAND g^i_j=g^{i'}_{j'}\LAND
 %		p^i_j=p^{i'}_{j'}\LAND\\
-% &&	^\forall k(i<k<i'\to r_k=connect(h_k)).
+% &&	^\forall k(i<k<i'\to r_k=\mathit{connect}(h_k)).
 % \end{eqnarray*}
 %

 % With these definitions, we can classify all $e^i_j$ into ordered sets
@@ -1248,11 +1279,21 @@
 % $\xi_k=g^i_j=\ldots=g^{i'}_{j'}$.
 %
 % \item
+% \changes{v1.73-1}{2016/04/28}
+% 	{Add the definition of $\eta_l$ and addition\slash subtraction of it
+%	 for $\tau_k$ and $\beta_k$.}
+%

 % The top and bottom ends of $L_k$ are at $\tau_k$ and $\beta_k$ above the
 % bottom of the |array|\slash|tabular|, where;
 %$$
-% \tau_k=\sum_{l=i}^N h_l,\quad\beta_k=\sum_{l=i'+1}^N h_l.
+% \eta_l=\cases{h_l&$r_l=\mathit{connect(h_l)}$\cr
+% 		0&otherwise},\quad
+% \tau_k=\eta_{i-1}+\sum_{l=i}^N h_l,\quad
+% \beta_k=-\eta_{i'+1}+\sum_{l=i'+1}^N h_l.
 %$$
+% Note that $\eta_{i-1}$ and $\eta_{i'+1}$ are added\slash subtracted so that
+% the top\slash bottom of $L_k$ is at the top\slash bottom edge of the
+% horizontal lines above\slash below the set $S_k$.
 % \end{itemize}
 %

 %  The row to draw $L_1,\ldots,L_n$ is;
@@ -3722,26 +3763,28 @@
 %\!$\LAMBDA\_\meta{}$; $R\_R^L$; $\gamma\_1$;\\
 %\!\WHILE\ $\gamma\leq\GAMMA$ \DO\ \BEGIN\\
 %\!\qquad\=
-%	$\tau\_H$; $\beta\_H$; $\delta\_ \meta{$-1,\B$}$;
+%	$\tau\_H$; $\beta\_H$; $\eta\_0$; $\delta\_ \meta{$-1,\B$}$;
 %			       $\xi\_ \meta{$-1,\B$}$;\\
 %\!\>	${\it conn}\_\FALSE$; ${\it double}\_\FALSE;$; $R'\_\meta{}$\\
 %\!\>	\WHILE\ $R\neq\meta{}$ \DO\ \BEGIN\\
 %\!\>\qquad\=	$\meta{$r,R$}\_R$;\\
 %\!\>	\>	$\meta{$C,h$}\_r$;\\
-%\!\>	\>	\IF\ $C=\meta{}$ \THEN\\
-%\!\>	\>\qquad\=	${\it add}(\tau,\beta,\delta,\xi)$;\\
-%\!\>	\>	\ELSE\IF\ $C\neq\meta{connect}$ \BEGIN\\
-%\!\>	\>	\>	$\meta{$e,C'$}=C$; $\meta{$c,d,g$}=e$;\\
+%\!\>	\>	\IF\ $C=\meta{}$ \THEN\ \BEGIN\quad
+%	${\it add}(\tau,\beta,\delta,\xi)$; $\eta\_0$;\quad\END;\\
+%\!\>	\>	\ELSE\IF\ $C=\meta{connect}$ \THEN\quad $\eta\_h$;\\
+%\!\>	\>	\ELSE\ \BEGIN\\
+%\!\>	\>\qquad\=	$\meta{$e,C'$}=C$; $\meta{$c,d,g$}=e$;\\
 %\!\>	\>	\>	\IF\ $c=\gamma$ \THEN\ \BEGIN\\
 %\!\>	\>	\>\qquad\=	\IF\ $d=\delta\LAND g=\xi$ \THEN\ \BEGIN\\
 %\!\>	\>	\>	\>\qquad\=	\IF\ $\lnot{\it conn}$ \THEN\ \BEGIN\\
-%\!\>	\>	\>	\>	\>\qquad\=	$\tau\_\beta$;
+%\!\>	\>	\>	\>	\>\qquad\=	$\tau\_\beta+\eta$;
 %						${\it conn}\_\TRUE$;\\
 %\!\>	\>	\>	\>	\>	\END;\\
 %\!\>	\>	\>	\>	\END;\\
 %\!\>	\>	\>	\>	\ELSE\ \BEGIN\\
 %\!\>	\>	\>	\>	\>	${\it add}(\tau,\beta,\delta,\xi)$;\\
-%\!\>	\>	\>	\>	\>	$\delta\_d$; $\xi\_g$; $\tau\_\beta$;
+%\!\>	\>	\>	\>	\>	$\delta\_d$; $\xi\_g$;
+%					$\tau\_\beta+\eta$; 
 %					${\it conn}\_\TRUE$;\\
 %\!\>	\>	\>	\>	\END;\\
 %\!\>	\>	\>	\>	\IF\ $C'=\meta{\meta{$\gamma,?,?$},$?$}$ \THEN
@@ -3749,6 +3792,7 @@
 %\!\>	\>	\>	\>	$C\_C'$;\\
 %\!\>	\>	\>	\END;\\
 %\!\>	\>	\>	\ELSE\quad ${\it add}(\tau,\beta,\delta,\xi)$;\\
+%\!\>	\>	\>	$\eta\_0$;\\
 %\!\>	\>	\END;\\
 %\!\>	\>	$\beta\_\beta-h$; $R'\_\meta{$R',\meta{$C,h$}$}$\\
 %\!\>	\END;\\
@@ -3791,6 +3835,7 @@
 % \SpecialIndex{\adl@vlrow}
 % \SpecialIndex{\adl@columns}
 % \SpecialIndex{\adl@currentcolumn}
+% \SpecialIndex{\adl@lastconn}
 % \SpecialIndex{\adl@dash}
 % \SpecialIndex{\adl@gap}
 % \SpecialIndex{\adl@vlrow}
@@ -3798,6 +3843,10 @@
 % \SpecialIndex{\ifadl@doublerule}
 % \SpecialIndex{\adl@totalheight}
 %

+% \changes{v1.73-1}{2016/04/28}
+% 	{Add $\eta\EQ\cs{adl@lastconn}$, its initialization and updates, and
+% 	 the addition to $\tau$.}
+%

 % Figure~\ref{fig-makevlr} shows the conceptual code of |\adl@makevlrL|.
 % The correspondance of variables in the code and control sequences in the
 % real implementation is as follows.
@@ -3811,8 +3860,10 @@
 % \gamma&		\rlap{\cs{adl@currentcolumn}}\\
 % \tau&			\cs{@tempcnta}&
 % \beta&		\cs{@tempcntb}&
-% \delta&		\rlap{\cs{adl@dash}/\cs{adl@dashcolor}}\\
-% \xi&			\rlap{\cs{adl@gap}/\cs{adl@gapcolor}}&\multicolumn2c{}&
+% \eta&			\rlap{\cs{adl@lastconn}}\\
+% \delta&		\rlap{\cs{adl@dash}/\cs{adl@dashcolor}}&
+% 			\multicolumn2c{}&
+% \xi&			\rlap{\cs{adl@gap}/\cs{adl@gapcolor}}&\multicolumn2c{}\\
 % H&			\rlap{\cs{adl@totalheight}}\\
 % {\it conn}&		\rlap{\cs{ifadl@connected}}&\multicolumn2c{}&
 % {\it double}&		\rlap{\cs{ifadl@doublerule}}\\
@@ -3827,7 +3878,7 @@
 % \changes{v1.4-2-8}{1999/06/25}
 %	{Modified to replace \cs{hfil} with \cs{hss} to prevent drawing
 %	vertical lines widen columns.}
-% The macro |\adl@makevlrL| corresponds to the line (2) and (30)--(36).  Its
+% The macro |\adl@makevlrL| corresponds to the line (2) and (31)--(36).  Its
 % right-edge counterpart |\adl@makevlrR| has the same correspondance but the
 % lines (1)--(2) are;
 %

@@ -3838,9 +3889,9 @@
 % \end{tabbing}
 % \end{quote}
 %

-% and (30)--(35) are;
+% and (31)--(36) are;
 %

-% \begin{quote}\defprog\setcounter{enumi}{29}
+% \begin{quote}\defprog\setcounter{enumi}{30}
 % \begin{tabbing}
 %\!\qquad\=
 %	\IF\ {\it double} \THEN\quad
@@ -3888,13 +3939,17 @@
 % \begin{macro}{\adl@makevlr}
 % \changes{v1.7-3}{2004/5/21}
 % 	{Modified to initialize \cs{adl@dashcolor} and \cs{adl@gapcolor}.}
+% \changes{v1.73-1}{2016/04/28}
+% 	{Add $\eta\EQ\cs{adl@lastconn}\gets0$.}
 % \SpecialIndex{\adl@addvl}
-% The macro |\adl@makevlr| corresponds to the lines (3)--(4) and (29).
+% \SpecialIndex{\adl@lastconn}
+%

+% The macro |\adl@makevlr| corresponds to the lines (3)--(4) and (30).
 % \end{macro}
 %

 %    \begin{macrocode}
 \def\adl@makevlr{\@tempcnta\adl@totalheight \@tempcntb\adl@totalheight
-        \adl@dash\m@ne \adl@gap\m@ne
+        \let\adl@lastconn\z@ \adl@dash\m@ne \adl@gap\m@ne
         \let\adl@dashcolor\relax \let\adl@gapcolor\relax
         \adl@connectedfalse \adl@doublerulefalse \def\@tempb{}%
         \expandafter\adl@imakevlr\adl@rows\@nil;%
@@ -3905,21 +3960,26 @@
 %
 % \begin{macro}{\adl@imakevlr}
 % \begin{macro}{\adl@iimakevlr}
+%

+% \changes{v1.73-1}{2016/04/28}
+% 	{Modify the definition of \cs{adl@connect} to pass $h$ to
+%	 \cs{adl@@connect}.}
+%

 % \begin{macro}{\adl@endmakevlr}
 % \SpecialIndex{\@elt}
 % \SpecialIndex{\adl@connect}
 %

 % The macro |\adl@imakevlr|\meta{$r$}|;| corresponds to the lines (5)--(6),
-% and the macro |\adl@iimakevlr(|\meta{$C$}|/|\meta{$h$}|)| to (7) and (27).
+% and the macro |\adl@iimakevlr(|\meta{$C$}|/|\meta{$h$}|)| to (7) and (28).
 % \end{macro}\end{macro}\end{macro}
 %

 %    \begin{macrocode}
 \def\adl@imakevlr#1;{\def\@tempa{#1}\ifx\@tempa\@nnil \let\next\relax
         \else \adl@iimakevlr#1\let\next\adl@imakevlr \fi \next}
 \def\adl@iimakevlr(#1/#2){\let\@elt\adl@iiimakevlr
-        \let\adl@connect\adl@@connect
+        \def\adl@connect{\adl@@connect#2}%
         \let\adl@endmakevlr\adl@endmakevlrcut
-         #1\adl@endmakevlr
+        #1\adl@endmakevlr
         \let\@elt\relax \let\adl@connect\relax
         \advance\@tempcntb-#2\edef\@tempb{\@tempb(\@tempc/#2);}}
 
@@ -3928,14 +3988,24 @@
 % \begin{macro}{\adl@iiimakevlr}
 % \changes{v1.7-3}{2004/5/21}
 % 	{Modified to check color indentity.}
+% \changes{v1.73-1}{2016/04/28}
+% 	{Replace two occurences of $\tau\gets\beta$ with
+%	 $\tau\gets\beta+\eta$ and add $\eta\gets0$, where
+%	 $\eta\EQ\cs{adl@lastconn}$.}
 % \begin{macro}{\adl@ivmakevlr}
 % \changes{v1.7-3}{2004/5/21}
 % 	{Modified not to see $d$ and $g$ which now have colors.}
 % \begin{macro}{\adl@vmakevlr}
 % \begin{macro}{\adl@endmakevlrcut}
+% \changes{v1.73-1}{2016/04/28}
+% 	{Add $\eta\EQ\cs{adl@lastconn}\gets0$.}
 % \begin{macro}{\adl@endmakevlrconn}
 % \begin{macro}{\adl@@connect}
-% The correspondance of the lines (8)--(29) is a little bit complicated.  As
+% \changes{v1.73-1}{2016/04/28}
+% 	{Add $\eta\EQ\cs{adl@lastconn}\gets h$ with the added
+%	 argument $h$.}
+%

+% The correspondance of the lines (8)--(30) is a little bit complicated.  As
 % shown above, |\adl@iimakevlr| expands $C$ attaching the sentinel
 % |\adl@endmakevlr|.
 %

@@ -3943,8 +4013,8 @@
 % \item
 % If $C\neq\meta{}$ and $C\neq\meta{connect}$, $C$ has at least one
 % |\@elt|\meta{$c$}\meta{$d$}\meta{$g$} which is made |\let|-equal to
-% |\adl@iiimakevlr| by |\adl@iimakevlr|.  Thus the lines (10)--(21) and (25)
-% are performed by |\adl@iiimakevlr|.
+% |\adl@iiimakevlr| by |\adl@iimakevlr|.  Thus the lines (10)--(21) and
+% (25)--(26) are performed by |\adl@iiimakevlr|.
 %
 % Then;
 % \begin{enumerate}
@@ -3963,13 +4033,13 @@
 %
 % \item
 % If $C=\meta{connect}$, i.e.\ it has only one element |\adl@connect|, the
-% macro |\adl@@connect| is invoked because it is |\let|-equal to
-% |\adl@connect|.  The macro do nothing but implict $C\gets C\ {}
-% (=\meta{connect})$ and eating the sentinel.
+% macro |\adl@@connect| is invoked with $h$ because it is |\define|-dl to be
+% $|\adl@@connect|\meta{h}$.  The macro performs (9) and implict $C\gets C\ {}
+% (=\meta{connect})$ eating the sentinel.
 %
 % \item
 % If $C=\meta{}$, |\adl@endmakevlrcut| that is |\let|-equal to the sentinel
-% |\adl@endmakevlr| is invoked to perform (8)--(9) and implicit $C\gets C
+% |\adl@endmakevlr| is invoked to perform (8) and implicit $C\gets C
 % \ (=\meta{})$.
 % \end{enumerate}
 % \end{macro}\end{macro}\end{macro}\end{macro}\end{macro}\end{macro}
@@ -3988,24 +4058,31 @@
                 \fi\fi\fi\fi
                 \if@tempswa
                         \ifadl@connected\else
-                                \@tempcnta\@tempcntb \adl@connectedtrue \fi
+                                \@tempcnta\@tempcntb
+                                \advance\@tempcnta\adl@lastconn\relax
+                                \adl@connectedtrue
+                        \fi
                 \else
                         \adl@addvl
                         \adl@dash#2\relax \adl@gap#3\relax
                         \def\adl@dashcolor{#4}\def\adl@gapcolor{#5}%
-                        \@tempcnta\@tempcntb \adl@connectedtrue
+                        \@tempcnta\@tempcntb
+                        \advance\@tempcnta\adl@lastconn\relax
+                        \adl@connectedtrue
                 \fi
         \else
                 \adl@addvl
                 \def\next{\adl@vmakevlr\@elt{#1}{#2}{#3}{#4}{#5}}%
-        \fi\next}
+        \fi
+        \let\adl@lastconn\z@ \next}
 \def\adl@ivmakevlr#1{%
         \ifnum#1=\adl@currentcolumn \adl@doubleruletrue \fi
         \adl@vmakevlr\@elt{#1}}
 \def\adl@vmakevlr#1\adl@endmakevlr{\def\@tempc{#1}}
-\def\adl@endmakevlrcut{\adl@addvl \def\@tempc{}}
+\def\adl@endmakevlrcut{\adl@addvl \let\adl@lastconn\z@ \def\@tempc{}}
 \def\adl@endmakevlrconn{\def\@tempc{}}
-\def\adl@@connect\adl@endmakevlr{\def\@tempc{\adl@connect}}
+\def\adl@@connect#1\adl@endmakevlr{\def\adl@lastconn{#1}%
+        \def\@tempc{\adl@connect}}
 
 %    \end{macrocode}
 %
@@ -4109,7 +4186,7 @@
 % \meta{$\delta_c$}\meta{$\gamma_c$} ($x_l$ and $x_c$ are length and color)
 % draws a sloid line if $\gamma_l=0$ or a dash-line otherwise in a |\vbox| of
 % $\lambda=\tau-\beta$ high and |\raise|-s it by $\beta$.  The method to
-% draw a dash line in the |\vbox| is analogous to that for holizontal line
+% draw a dash line in the |\vbox| is analogous to that for horizontal line
 % shown in \S\ref{sec:imp-hline}, except that a line is surrounded by
 % horizontal spaces of |\adl@vl@leftskip| and |\adl@vl@rightskip|.  Coloring 
 % gaps is done by drawing a vertical rule setting $\gamma_c$ by |\set@color|
@@ -4652,6 +4729,12 @@
 % 
 % \begin{macro}{\adl@LT@array}
 % \begin{macro}{\LT@array}
+% \changes{v1.73-2}{2016/04/28}
+% 	{Add \cs{let}-assignment of \cs{adl@LThdashline} to
+%	 \cs{adl@hdashline} so that the \textsf{longtable} version of
+%	 \cs{adl@hdashline} is effective only in \texttt{longtable}
+%	 environment rather than globally.}
+%

 % \begin{macro}{\adl@discard}
 % \SpecialIndex{\adl@arrayinit}
 % \SpecialIndex{\adl@ihdashline}
@@ -4661,12 +4744,13 @@
 % Then we redefine the macro |\LT@array|, which is the heart of |\longtable|,
 % saving its original definition in |\adl@LT@array|.  The modified
 % |\LT@array| first calls |\adl@arrayinit| to initialize the global data
-% structures, and sets |\ifadl@LTfirstpage| to true.  Then |\adl@idashline|
-% and |\adl@discard| are made |\let|-equal to its \textsf{longtable} version
-% |\adl@LTidashline| and |\relax| (to inhibit expansion) respectively.
-% Then the macro calls |\adl@LTinactivate| if |\adl@inactive| is true, and
-% finally calls its original version |\adl@LT@array|.  Note that since
-% |longtable| cannot be nested;
+% structures, and sets |\ifadl@LTfirstpage| to true.  Then |\adl@dashline|,
+% |\adl@idashline| and |\adl@discard| are made |\let|-equal to the
+% \textsf{longtable} versions |\adl@LTdashline| and |\adl@LTidashline|, and
+% |\relax| (to inhibit expansion) respectively.  Then the macro calls
+% |\adl@LTinactivate| if |\adl@inactive| is true, and finally calls its
+% original version |\adl@LT@array|.  Note that since |longtable| cannot be
+% nested;
 %

 % \begin{itemize}
 % \item
@@ -4716,7 +4800,8 @@
 %    \begin{macrocode}
 \let\adl@LT@array\LT@array
 \def\LT@array{\adl@arrayinit \adl@LTfirstpagetrue
-        \let\adl@discard\relax \let\adl@ihdashline\adl@LTihdashline
+        \let\adl@discard\relax \let\adl@hdashline\adl@LThdashline
+        \let\adl@ihdashline\adl@LTihdashline
         \ifadl@inactive \adl@LTinactivate \fi
         \adl@LT@array}
 \def\adl@LTinactivate{\adl@inactivate
@@ -4991,14 +5076,18 @@
 % \label{sec:imp-lt-hlpbox}
 % 
 % \begin{macro}{\LT@hline}
-% \begin{macro}{\adl@hdashline}
+% \begin{macro}{\adl@LThdashline}
 % \changes{v1.7-1}{2004/5/21}
 % 	{Keep original without shift up because it is done by
 %	\cs{adl@LThdline}.}
+% \changes{v1.73-2}{2016/04/28}
+% 	{Renamed from \cs{adl@hdashline} to make it effective only in
+%	 \texttt{longtable} environments.}
 % \begin{macro}{\adl@LTihdashline}
 % \begin{macro}{\adl@LTinactivehdl}
 % \begin{macro}{\adl@LThdlrow}
 % \SpecialIndex{\hline}
+% \SpecialIndex{\adl@hdashline}
 % \SpecialIndex{\adl@ihdashline}
 % \SpecialIndex{\adl@inactivehdl}
 % \SpecialIndex{\adl@hcline}
@@ -5022,9 +5111,10 @@
 % |\multispan| and |\leaders\hrule| or
 % |\adl@hcline[|\meta{dash}|/|\meta{gap}|]|.
 % 
-% Note that |\adl@hdashline| is redefined here because its version without
-% \textsf{longtable} performs a part of the job done by |\adl@LThdline| as
-% shown soon.
+% Note that we define |\adl@LThdashline| to make |\adl@hdashline|
+% \cs{let}-equal to it in \textsf{longtable} environments because its
+% version without \textsf{longtable} performs a part of the job done by
+% |\adl@LThdline| as shown soon.
 % \end{macro}\end{macro}\end{macro}\end{macro}\end{macro}
 %

 %    \begin{macrocode}
@@ -5035,7 +5125,7 @@
         \gdef\adl@LThdlrow{\multispan{\LT@cols}\unskip
                 \leaders\hrule\@height\arrayrulewidth\hfill\cr}%
         \adl@LThdline}
-\def\adl@hdashline#1{\noalign{\ifnum0=`}\fi
+\def\adl@LThdashline#1{\noalign{\ifnum0=`}\fi
         \@ifnextchar[%]
                      {#1}%
                      {#1[\dashlinedash/\dashlinegap]}}
@@ -6155,5 +6245,6 @@
 % \cs{ifadl@} from its name if it has one of them.}
 % \Finale
 % \newpage
+% \def\EQ{=} \def\GT{>} \def\BAR{|} \def\NEQ{\neq}
 % \PrintChanges
 \endinput