Fix markdown for avoid convert any with underline surrounded for avoid change URL.

Author: huacnlee

autocorrect/grammar/markdown.pest

@@ -1,5 +1,5 @@
 para = { ANY* ~ NEWLINE{2} }
-expr = _{ codeblock | img | link | td_tag | mark | heading }
+expr = _{ codeblock | img | link | td_tag | heading }
 text = { (!(expr | newline) ~ ANY)+ }
 newline = ${ "\n" | "\r" }
 space = @{ (" ")* }
@@ -13,8 +13,6 @@ mark_tag = @{
   "**"
   | "*"
   | "~~"
-  | "__"
-  | "_"
   | "`"
 }
 heading_tag = @{"######" | "#####" | "####" | "###" | "##" | "#"}

autocorrect/src/code/markdown.rs

@@ -17,8 +17,16 @@ mod tests {
     #[test]
     fn test_format_markdown() {
         let example = r###"
+    ---
+    title: IPAD 和 Ios 接入的不同点
+    id: h
+    slug: /appstore/ipad_and_ios
+    ---
+
     # 这是Heading 1大标题
 
+    https://google.com/foo/__ios__/**ios**
+
     **加粗** 
     *倾斜*
     ~~删除线~~
@@ -57,8 +65,16 @@ mod tests {
     "###;
 
         let expected = r###"
+    ---
+    title: iPad 和 iOS 接入的不同点
+    id: h
+    slug: /appstore/ipad_and_ios
+    ---
+
     # 这是 Heading 1 大标题
 
+    https://google.com/foo/__ios__/**ios**
+
     **加粗** 
     *倾斜*
     ~~删除线~~

autocorrect/src/spellcheck.rs

@@ -54,7 +54,12 @@ mod tests {
             "this is ipad ios website, and the IOS download url" => "this is iPad iOS website, and the iOS download url",
             "Ios download" => "iOS download",
             "Download iOs" => "Download iOS",
+            "hello_ios" => "hello_ios",
+            "ios_hello" => "ios_hello",
+            "'ios'" => "'ios'",
             "openios" => "openios",
+            "diff_ws_ios\n" => "diff_ws_ios\n",
+            "diff_ws_ios " => "diff_ws_ios ",
             "https://ios.com" => "https://ios.com",
             "[email protected]" => "[email protected]",
             "开放 IOS 接口" => "开放 iOS 接口",