タイトルセックのスペース問題

Question

\documentclass[11pt,]{article}
\usepackage{titlesec}
\titleformat{\section}[leftmargin]{\normalfont
\titlerule*[.6em]{\bfseries.}%
\vspace{6pt}%
\sffamily\bfseries\filleft}
{\thesection}{.5em}{}
\titlespacing{\section}
{8pc}{1.5ex plus .1ex minus .2ex}{1pc}
\begin{document}

\section{This is a section heading}
\begin{enumerate}
\item This is the first item and it is too low on the page...
\item This is another item
\item This is another item
\item This is another item
\item This is another item
\item This is another item
\item This is another item
\end{enumerate}
\section{This is a section heading}

This paragraph is fine ...
\end{document}

リストの前には余分な垂直スペースがあるのに、段落の前にはスペースがないのはなぜですか?

Answer 1

このコードを\section{…}リストの間に追加するだけです空白行を追加せずに:

...
\section{This is a section heading}
\leavevmode\vspace*{-\dimexpr\baselineskip+\topsep\relax}
\begin{enumerate}
...