LaTeX writer: ensure that unlabelled tables don't increment counter.

Closes #11141.

src/Text/Pandoc/Writers/LaTeX/Table.hs

@@ -98,8 +98,10 @@ tableToLaTeX inlnsToLaTeX blksToLaTeX tbl = do
   modify $ \s -> s{ stTable = True }
   notes <- notesToLaTeX <$> gets stNotes
   beamer <- gets stBeamer
+  let makeUnnumbered x = "{\\def\\LTcaptype{} % do not increment counter" $$ x $$ "}"
   return
-    $  "\\begin{longtable}[]" <>
+    $ (if null capt then makeUnnumbered else id)
+    $ "\\begin{longtable}[]" <>
           braces ("@{}" <> colDescriptors isSimpleTable tbl <> "@{}")
           -- the @{} removes extra space at beginning and end
     $$ head'

test/command/7272.md

@@ -14,6 +14,7 @@
   </tbody>
 </table>
 ^D
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}
   >{\raggedright\arraybackslash}p{(\linewidth - 0\tabcolsep) * \real{1.0000}}@{}}
 \toprule\noalign{}
@@ -25,4 +26,5 @@
 text2 }\strut
 \end{minipage} \\
 \end{longtable}
+}
 ```

test/command/8638.md

@@ -7,6 +7,7 @@
 | oranges | 4.25  |
 ^D
 \begin{frame}
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}lr@{}}
 \toprule\noalign{}
 fruit & price \\
@@ -16,5 +17,6 @@ apple & 2.05 \\
 oranges & 4.25 \\
 \bottomrule\noalign{}
 \end{longtable}
+}
 \end{frame}
 ```

test/command/9350.md

@@ -2,6 +2,7 @@
 % pandoc -f html -t latex
 <table><tbody><tr></tr></tbody></table>
 ^D
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}l@{}}
 \toprule\noalign{}
 \endhead
@@ -9,4 +10,5 @@
 \endlastfoot
  \\
 \end{longtable}
+}
 ```

test/tables.latex

@@ -19,6 +19,7 @@ Right & Left & Center & Default \\
 
 Simple table without caption:
 
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}rlcl@{}}
 \toprule\noalign{}
 Right & Left & Center & Default \\
@@ -30,6 +31,7 @@ Right & Left & Center & Default \\
 123 & 123 & 123 & 123 \\
 1 & 1 & 1 & 1 \\
 \end{longtable}
+}
 
 Simple table indented two spaces:
 
@@ -90,6 +92,7 @@ Second & row & 5.0 & Here's another one. Note the blank line between rows. \\
 
 Multiline table without caption:
 
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}
   >{\centering\arraybackslash}p{(\linewidth - 6\tabcolsep) * \real{0.1500}}
   >{\raggedright\arraybackslash}p{(\linewidth - 6\tabcolsep) * \real{0.1375}}
@@ -112,9 +115,11 @@ Default aligned
 First & row & 12.0 & Example of a row that spans multiple lines. \\
 Second & row & 5.0 & Here's another one. Note the blank line between rows. \\
 \end{longtable}
+}
 
 Table without column headers:
 
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}rlcr@{}}
 \toprule\noalign{}
 \endhead
@@ -124,9 +129,11 @@ Table without column headers:
 123 & 123 & 123 & 123 \\
 1 & 1 & 1 & 1 \\
 \end{longtable}
+}
 
 Multiline table without column headers:
 
+{\def\LTcaptype{} % do not increment counter
 \begin{longtable}[]{@{}
   >{\centering\arraybackslash}p{(\linewidth - 6\tabcolsep) * \real{0.1500}}
   >{\raggedright\arraybackslash}p{(\linewidth - 6\tabcolsep) * \real{0.1375}}
@@ -139,3 +146,4 @@ Multiline table without column headers:
 First & row & 12.0 & Example of a row that spans multiple lines. \\
 Second & row & 5.0 & Here's another one. Note the blank line between rows. \\
 \end{longtable}
+}