素质拓展训练，一次小队六个孩子都想争当队长，互不相让，应该怎么引导孩子们完成选举？

How can I include the period (.) in Vim's search and replace command? (replacing .html extensions)?

When I do开发者_开发知识库: /.html Vim looks for html I would like to replace all the .html with .php