deletions | additions       diff --git a/layout.md b/layout.md  index c67a990..8a3b32d 100644  --- a/layout.md  +++ b/layout.md 
...
subsubsection_is_an_expression_of__.tex  figures/penghuMing-010/penghuMing-010.png  1650_1700_1700__.tex  subsubsection__1.tex  figures/penghuMing-011/penghuMing-011.png  figures/penghuMing-012/penghuMing-012.png  figures/penghuMing-013/penghuMing-013.png