Cleaner Table Formatting when converting from Markdown to Latex?

Cleaner Table Formatting when converting from Markdown to Latex?

['RM' via pandoc-discuss]

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Sometimes pandoc adds a load of undesired guff into the latex tables. 

Is there a way to signal to pandoc that I want it to "cleanly" convert the 
markdown tables to latex instead of adding all sorts of bizarre formatting?

*Example:*

Consider the following markdown table:

|        | Mon     | Tue     | Wed     | Thu     | Fri     | Sat     | Sun 
    | Notes   |
|--------|---------|---------|---------|---------|---------|---------|---------|---------|
| Week 1 | Example | Example | Example | Example | Example | Example | 
Example | Example |
| Week 2 | Example | Example | Example | Example | Example | Example | 
Example | Example |
| Week 3 | Example | Example | Example | Example | Example | Example | 
Example | Example |
| Week 4 | Example | Example | Example | Example | Example | Example | 
Example | Example |


Version 2.16 sensibly converts the markdown table to:

\begin{longtable}[]{@{}lllllllll@{}}
\toprule
& Mon & Tue & Wed & Thu & Fri & Sat & Sun & Notes \\
\midrule
\endhead
Week 1 & Example & Example & Example & Example & Example & Example &
Example & Example \\
Week 2 & Example & Example & Example & Example & Example & Example &
Example & Example \\
Week 3 & Example & Example & Example & Example & Example & Example &
Example & Example \\
Week 4 & Example & Example & Example & Example & Example & Example &
Example & Example \\
\bottomrule
\end{longtable}

While the latest version (3.1.2) converts it to this mess:

\begin{longtable}[]{@{}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1000}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}
  >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
{0.1125}}@{}}
\toprule\noalign{}
\begin{minipage}[b]{\linewidth}\raggedright
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Mon
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Tue
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Wed
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Thu
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Fri
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Sat
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Sun
\end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
Notes
\end{minipage} \\
\midrule\noalign{}
\endhead
\bottomrule\noalign{}
\endlastfoot
Week 1 & Example & Example & Example & Example & Example & Example &
Example & Example \\
Week 2 & Example & Example & Example & Example & Example & Example &
Example & Example \\
Week 3 & Example & Example & Example & Example & Example & Example &
Example & Example \\
Week 4 & Example & Example & Example & Example & Example & Example &
Example & Example \\
\end{longtable}

(And this isn't simply an issue with later versions. I've noticed 2.16 adds 
the guff to some tables, too. Though whatever algo it's using to make that 
choice differs between versions. )


I'd like all of my tables to be converted to the "clean" format. Is there 
an argument I can use to make that happen?

















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Re: Cleaner Table Formatting when converting from Markdown to Latex?

['RM' via pandoc-discuss]

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I believe I've figured it out. The bizarre table formatting can be 
prevented using `--columns=999` (or any other sufficiently high number.)

Quoth the User's Guide: "If any line of the markdown source is longer than 
the column width (see --columns), then the table will take up the full text 
width and the cell contents will wrap, with the relative cell widths 
determined by the number of dashes in the line separating the table header 
from the table body."

By setting columns to a sufficiently high number, this functionality will 
never be called. Unfortunately this also effectively disables wrapping for 
the latex output.
("--wrap=preserve" and "--wrap=none" still result in the tables having the 
above extra formatting. the  columns argument itself must be changed.)

The wayback machine suggests that this same feature was present in 2.16, so 
I'm still uncertain why this behavior changed across versions, unless it 
was just a bug that 2.16 *wasn't* doing this.




On Wednesday, May 31, 2023 at 2:08:53 PM UTC-5 RM wrote:

> Sometimes pandoc adds a load of undesired guff into the latex tables. 
>
> Is there a way to signal to pandoc that I want it to "cleanly" convert the 
> markdown tables to latex instead of adding all sorts of bizarre formatting?
>
> *Example:*
>
> Consider the following markdown table:
>
> |        | Mon     | Tue     | Wed     | Thu     | Fri     | Sat     | Sun 
>     | Notes   |
>
> |--------|---------|---------|---------|---------|---------|---------|---------|---------|
> | Week 1 | Example | Example | Example | Example | Example | Example | 
> Example | Example |
> | Week 2 | Example | Example | Example | Example | Example | Example | 
> Example | Example |
> | Week 3 | Example | Example | Example | Example | Example | Example | 
> Example | Example |
> | Week 4 | Example | Example | Example | Example | Example | Example | 
> Example | Example |
>
>
> Version 2.16 sensibly converts the markdown table to:
>
> \begin{longtable}[]{@{}lllllllll@{}}
> \toprule
> & Mon & Tue & Wed & Thu & Fri & Sat & Sun & Notes \\
> \midrule
> \endhead
> Week 1 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 2 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 3 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 4 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> \bottomrule
> \end{longtable}
>
> While the latest version (3.1.2) converts it to this mess:
>
> \begin{longtable}[]{@{}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1000}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real
> {0.1125}}@{}}
> \toprule\noalign{}
> \begin{minipage}[b]{\linewidth}\raggedright
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Mon
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Tue
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Wed
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Thu
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Fri
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Sat
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Sun
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Notes
> \end{minipage} \\
> \midrule\noalign{}
> \endhead
> \bottomrule\noalign{}
> \endlastfoot
> Week 1 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 2 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 3 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 4 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> \end{longtable}
>
> (And this isn't simply an issue with later versions. I've noticed 2.16 
> adds the guff to some tables, too. Though whatever algo it's using to make 
> that choice differs between versions. )
>
>
> I'd like all of my tables to be converted to the "clean" format. Is there 
> an argument I can use to make that happen?
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

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Re: Cleaner Table Formatting when converting from Markdown to Latex?

[John MacFarlane]

You are getting relative widths specified because the table is wide.  (Previously we didn't do this and people complained that their tables extended beyond the edge of the margin or even the page.)  If the table is not wide, you get a simple table:

\begin{longtable}[]{@{}lllll@{}}
\toprule\noalign{}
& Mon & Tue & Wed & Thu \\
\midrule\noalign{}
\endhead
\bottomrule\noalign{}
\endlastfoot
Week 1 & Example & Example & Example & Example \\
Week 2 & Example & Example & Example & Example \\
Week 3 & Example & Example & Example & Example \\
Week 4 & Example & Example & Example & Example \\
\end{longtable}



> On May 31, 2023, at 12:08 PM, 'RM' via pandoc-discuss <pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> wrote:
> 
> Sometimes pandoc adds a load of undesired guff into the latex tables. 
> 
> Is there a way to signal to pandoc that I want it to "cleanly" convert the markdown tables to latex instead of adding all sorts of bizarre formatting?
> 
> Example:
> 
> Consider the following markdown table:
> 
> |        | Mon     | Tue     | Wed     | Thu     | Fri     | Sat     | Sun     | Notes   |
> |--------|---------|---------|---------|---------|---------|---------|---------|---------|
> | Week 1 | Example | Example | Example | Example | Example | Example | Example | Example |
> | Week 2 | Example | Example | Example | Example | Example | Example | Example | Example |
> | Week 3 | Example | Example | Example | Example | Example | Example | Example | Example |
> | Week 4 | Example | Example | Example | Example | Example | Example | Example | Example |
> 
> 
> Version 2.16 sensibly converts the markdown table to:
> 
> \begin{longtable}[]{@{}lllllllll@{}}
> \toprule
> & Mon & Tue & Wed & Thu & Fri & Sat & Sun & Notes \\
> \midrule
> \endhead
> Week 1 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 2 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 3 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 4 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> \bottomrule
> \end{longtable}
> 
> 
> 
> 
> While the latest version (3.1.2) converts it to this mess:
> 
> \begin{longtable}[]{@{}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1000}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>   >{\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}@{}}
> \toprule\noalign{}
> \begin{minipage}[b]{\linewidth}\raggedright
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Mon
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Tue
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Wed
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Thu
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Fri
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Sat
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Sun
> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
> Notes
> \end{minipage} \\
> \midrule\noalign{}
> \endhead
> \bottomrule\noalign{}
> \endlastfoot
> Week 1 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 2 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 3 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> Week 4 & Example & Example & Example & Example & Example & Example &
> Example & Example \\
> \end{longtable}
> 
> (And this isn't simply an issue with later versions. I've noticed 2.16 adds the guff to some tables, too. Though whatever algo it's using to make that choice differs between versions. )
> 
> 
> I'd like all of my tables to be converted to the "clean" format. Is there an argument I can use to make that happen?
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> -- 
> You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
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Re: Cleaner Table Formatting when converting from Markdown to Latex?

[John MacFarlane]

PS. If you don't worry about the too-wide issue, then you can "fix" it with this lua filter:

function Table(el)
  for _,spec in ipairs(el.colspecs) do
    spec[2] = nil -- set width to nil for a "simple" table
  end
  return el
end


> On May 31, 2023, at 9:43 PM, John MacFarlane <fiddlosopher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> 
> You are getting relative widths specified because the table is wide.  (Previously we didn't do this and people complained that their tables extended beyond the edge of the margin or even the page.)  If the table is not wide, you get a simple table:
> 
> \begin{longtable}[]{@{}lllll@{}}
> \toprule\noalign{}
> & Mon & Tue & Wed & Thu \\
> \midrule\noalign{}
> \endhead
> \bottomrule\noalign{}
> \endlastfoot
> Week 1 & Example & Example & Example & Example \\
> Week 2 & Example & Example & Example & Example \\
> Week 3 & Example & Example & Example & Example \\
> Week 4 & Example & Example & Example & Example \\
> \end{longtable}
> 
> 
> 
>> On May 31, 2023, at 12:08 PM, 'RM' via pandoc-discuss <pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> wrote:
>> 
>> Sometimes pandoc adds a load of undesired guff into the latex tables. 
>> 
>> Is there a way to signal to pandoc that I want it to "cleanly" convert the markdown tables to latex instead of adding all sorts of bizarre formatting?
>> 
>> Example:
>> 
>> Consider the following markdown table:
>> 
>> |        | Mon     | Tue     | Wed     | Thu     | Fri     | Sat     | Sun     | Notes   |
>> |--------|---------|---------|---------|---------|---------|---------|---------|---------|
>> | Week 1 | Example | Example | Example | Example | Example | Example | Example | Example |
>> | Week 2 | Example | Example | Example | Example | Example | Example | Example | Example |
>> | Week 3 | Example | Example | Example | Example | Example | Example | Example | Example |
>> | Week 4 | Example | Example | Example | Example | Example | Example | Example | Example |
>> 
>> 
>> Version 2.16 sensibly converts the markdown table to:
>> 
>> \begin{longtable}[]{@{}lllllllll@{}}
>> \toprule
>> & Mon & Tue & Wed & Thu & Fri & Sat & Sun & Notes \\
>> \midrule
>> \endhead
>> Week 1 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> Week 2 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> Week 3 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> Week 4 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> \bottomrule
>> \end{longtable}
>> 
>> 
>> 
>> 
>> While the latest version (3.1.2) converts it to this mess:
>> 
>> \begin{longtable}[]{@{}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1000}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}
>>> {\raggedright\arraybackslash}p{(\columnwidth - 16\tabcolsep) * \real{0.1125}}@{}}
>> \toprule\noalign{}
>> \begin{minipage}[b]{\linewidth}\raggedright
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Mon
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Tue
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Wed
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Thu
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Fri
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Sat
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Sun
>> \end{minipage} & \begin{minipage}[b]{\linewidth}\raggedright
>> Notes
>> \end{minipage} \\
>> \midrule\noalign{}
>> \endhead
>> \bottomrule\noalign{}
>> \endlastfoot
>> Week 1 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> Week 2 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> Week 3 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> Week 4 & Example & Example & Example & Example & Example & Example &
>> Example & Example \\
>> \end{longtable}
>> 
>> (And this isn't simply an issue with later versions. I've noticed 2.16 adds the guff to some tables, too. Though whatever algo it's using to make that choice differs between versions. )
>> 
>> 
>> I'd like all of my tables to be converted to the "clean" format. Is there an argument I can use to make that happen?
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> -- 
>> You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
>> To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
>> To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/532e15c3-6027-45bd-b0ba-7393632f2dc9n%40googlegroups.com.
>