Specify lowercase or uppercase for type selectors.
指定类型选择器的大小写。
a {}
/** ↑
* This is type selector */
string: "lower"|"upper"
"lower"
The following patterns are considered warnings:
以下模式被认为是个警告:
A {}
LI {}
The following patterns are not considered warnings:
以下模式正常:
a {}
li {}
"upper"
The following patterns are considered warnings:
以下模式被认为是个警告:
a {}
li {}
The following patterns are not considered warnings:
以下模式正常:
A {}
LI {}