colorframed
在另一个环境中时，colorframed 包会在末尾添加额外的垂直空间
该colorframed包（及其前身framed）在另一个环境中时会增加额外的垂直空间。 \documentclass{article} \usepackage[dvipsnames]{xcolor} \usepackage{colorframed} \colorlet{shadecolor}{lightgray} \begin{document} This is text before quotation, but it must be longer than one line for comparison purposes. \begin{s...