TestFrameAttack

pp1=true:

&1">test

| pp2=true:

&1)">test

| pp3=true:

&1`">test

| pp4=true:2 | pp5=true:

test

| ext1=true:

test

| ext2=true:

test

| ext3=true:

test

| ext4=true:解析失败 (SVG（MathML可通过浏览器插件启用）：从服务器“https://wikimedia.org/api/rest_v1/”返回无效的响应（“Math extension cannot connect to Restbase.”）：): {\displaystyle \frac{1}{2}}