11.86.3 Can you answer these questions?

11.86.3.1 Large file size with DocumentMetadata

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757492

The pdf produced by the first example below is much larger (3x) than that of the second. Both are PDF version 1.7, and neither are tagged (according to pdfinfo). What accounts for the difference in ... 
[tagged-pdf]
 

asked by dedded https://tex.stackexchange.com/landing/r/digest?cta=user&id=62287 Score of 1

11.86.3.2 tex4ebook: How to make a table run over more than one page being shown correctly in Google Play Books

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757506

I am trying to make a long table that may run over more than one page in an ebook using the tabularx package. While the table on the first page is shown correctly in Google Play Books and while it ... 
[tabularx] [tex4ht] [tex4ebook]
                                                                                  

                                                                                  
 

asked by Jack https://tex.stackexchange.com/landing/r/digest?cta=user&id=179378 Score of 1

11.86.3.3 Modifying properties of visualizer in legend

https://tex.stackexchange.com/landing/r/digest?cta=question&id=757415

I would like to modify the property of the visualizer in a scatter plot, only in the legend. This is used to create a transparent visualizer on the plot, but do not apply the transparency in the ... 
[legend] [tikz-datavisualization]
 

asked by MathA~(c)o - https://tex.stackexchange.com/landing/r/digest?cta=user&id=429334 Score of 1