support html tables (#41)

* support html tables

* use -markdown_in_html_blocks

Author: chrisfenner

build.sh

@@ -265,6 +265,7 @@ if [ -n "${pdf_output}" ]; then
 		--template=eisvogel.latex \
 		--filter=mermaid-filter \
 		--filter=pandoc-crossref \
+		--lua-filter=parse-html.lua \
 		--resource-path=.:/resources \
 		--data-dir=/resources \
 		--top-level-division=section \
@@ -279,7 +280,7 @@ if [ -n "${pdf_output}" ]; then
 		--metadata=titlepage-rule-height:0 \
 		--metadata=colorlinks:true \
 		--metadata=contact:[email protected] \
-		--from=markdown+implicit_figures+grid_tables+table_captions-citations \
+		--from=markdown+implicit_figures+grid_tables+table_captions-citations-markdown_in_html_blocks \
 		${extra_pandoc_options} \
 		--to=pdf \
 		"${build_dir}/${input_file}.3" \
@@ -296,6 +297,7 @@ if [ -n "${latex_output}" ]; then
 		--template=eisvogel.latex \
 		--filter=mermaid-filter \
 		--filter=pandoc-crossref \
+		--lua-filter=parse-html.lua \
 		--resource-path=.:/resources \
 		--data-dir=/resources \
 		--top-level-division=section \
@@ -310,7 +312,7 @@ if [ -n "${latex_output}" ]; then
 		--metadata=titlepage-rule-height:0 \
 		--metadata=colorlinks:true \
 		--metadata=contact:[email protected] \
-		--from=markdown+implicit_figures+grid_tables+table_captions-citations \
+		--from=markdown+implicit_figures+grid_tables+table_captions-citations-markdown_in_html_blocks \
 		${extra_pandoc_options} \
 		--to=latex \
 		"${build_dir}/${input_file}.3" \
@@ -327,9 +329,10 @@ if [ -n "${docx_output}" ]; then
 		--filter=/resources/filters/info.py \
 		--filter=mermaid-filter \
 		--filter=pandoc-crossref \
+		--lua-filter=parse-html.lua \
 		--resource-path=.:/resources \
 		--data-dir=/resources \
-		--from=markdown+implicit_figures+grid_tables+table_captions-citations \
+		--from=markdown+implicit_figures+grid_tables+table_captions-citations-markdown_in_html_blocks \
 		--reference-doc=/resources/templates/tcg_template.docx \
 		${extra_pandoc_options} \
 		--to=docx \

filter/parse-html.lua

@@ -0,0 +1,8 @@
+-- https://tex.stackexchange.com/questions/631243/how-to-render-html-tables-in-markdown-using-pandoc
+
+function RawBlock (raw)
+    return raw.format:match 'html'
+      and pandoc.read(raw.text, 'html').blocks
+      or raw
+  end
+  

sample3.md

@@ -148,6 +148,46 @@ This section contains a Grid Table.
 | Earth               | -89.2 | 14    | 56.7  |
 +---------------------+-------+-------+-------+
 
+### HTML Table
+
+This section contains an HTML Table.
+
+<table>
+<colgroup>
+<col style="width: 13%" />
+<col style="width: 86%" />
+</colgroup>
+<thead>
+<tr>
+<th>A || B</th>
+<th>concatenation of B to A</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td>CEIL(x)</td>
+<td>the smallest integer not less than x</td>
+</tr>
+<tr>
+<td><strong>FLOOR(</strong>x<strong>)</strong></td>
+<td>the largest integer not greater than x</td>
+</tr>
+<tr>
+<td>A  $\coloneqq$  B</td>
+<td>assignment of the results of the expression on the right (B) to the
+parameter on the left</td>
+</tr>
+<tr>
+<td>A = B</td>
+<td>equivalence (A is the same as B)</td>
+</tr>
+<tr>
+<td>{ A }</td>
+<td>an optional element</td>
+</tr>
+</tbody>
+</table>
+
 ## Code
 
 ```c++