9.12.3 Can you answer these questions?

9.12.3.1 Efficiently Displaying a Paragraph in Trapezoidal Formation

https://tex.stackexchange.com/landing/r/digest?cta=question&id=675698

As part of an introduction to the contents of a book, I would like to display a particular paragraph in the formation of a trapezoid; and I suspect I will be able to do this (but rather laboriously) ... 
[macros] [paragraphs] [shapes] [shapepar] [formating]
 

asked by mlchristians https://tex.stackexchange.com/landing/r/digest?cta=user&id=192836 Score of 1

9.12.3.2 Formatting revtex 4 title page

https://tex.stackexchange.com/landing/r/digest?cta=question&id=675544

This code makes contents table appear above title and abstract. 
I want both on same page. 
Please help. 
\documentclass[aps,prl,dvipsnames] {revtex4-1} 
\usepackage[toc,page]{appendix} 
%(and other ... 
[table-of-contents] [formatting] [titles] [revtex] [abstract]
 

asked by SAOIR https://tex.stackexchange.com/landing/r/digest?cta=user&id=290378 Score of 1

answered by Dai Bowen https://tex.stackexchange.com/landing/r/digest?cta=user&id=106162 Score of 0

9.12.3.3 Modifying an existing glyph to create new glyph

https://tex.stackexchange.com/landing/r/digest?cta=question&id=675794

I'm interested in modifying the \lfloor and \rfloor glyphs. I'd like them to function as they currently do, but I want to reduce their height to a fraction of the original. For example, .25 of the ... 
[symbols] [customize]
 

asked by Simplex_ https://tex.stackexchange.com/landing/r/digest?cta=user&id=290504 Score of 1