Update MD009/MD010/MD012/MD028 to report fixInfo for violations.

lib/md009.js

@@ -2,12 +2,10 @@
 
 "use strict";
 
-const { addError, filterTokens, forEachLine, includesSorted, rangeFromRegExp } =
+const { addError, filterTokens, forEachLine, includesSorted } =
   require("../helpers");
 const { lineMetadata } = require("./cache");
 
-const trailingSpaceRe = /\s+$/;
-
 module.exports = {
   "names": [ "MD009", "no-trailing-spaces" ],
   "description": "Trailing spaces",
@@ -34,14 +32,22 @@ module.exports = {
     forEachLine(lineMetadata(), (line, lineIndex, inCode, onFence) => {
       inFencedCode += onFence;
       const lineNumber = lineIndex + 1;
-      if ((!inCode || inFencedCode) && trailingSpaceRe.test(line) &&
+      const trailingSpaces = line.length - line.trimRight().length;
+      if ((!inCode || inFencedCode) && trailingSpaces &&
         !includesSorted(listItemLineNumbers, lineNumber)) {
-        const actual = line.length - line.trimRight().length;
-        if (expected !== actual) {
-          addError(onError, lineNumber,
+        if (expected !== trailingSpaces) {
+          const column = line.length - trailingSpaces + 1;
+          addError(
+            onError,
+            lineNumber,
             "Expected: " + (expected === 0 ? "" : "0 or ") +
-              expected + "; Actual: " + actual,
-            null, rangeFromRegExp(line, trailingSpaceRe));
+              expected + "; Actual: " + trailingSpaces,
+            null,
+            [ column, trailingSpaces ],
+            {
+              "editColumn": column,
+              "deleteCount": trailingSpaces
+            });
         }
       }
     });

lib/md010.js

@@ -19,12 +19,18 @@ module.exports = {
         let match = null;
         while ((match = tabRe.exec(line)) !== null) {
           const column = match.index + 1;
+          const length = match[0].length;
           addError(
             onError,
             lineIndex + 1,
             "Column: " + column,
             null,
-            [ column, match[0].length ]);
+            [ column, length ],
+            {
+              "editColumn": column,
+              "deleteCount": length,
+              "insertText": "".padEnd(length)
+            });
         }
       }
     });

lib/md012.js

@@ -15,7 +15,17 @@ module.exports = {
     forEachLine(lineMetadata(), (line, lineIndex, inCode) => {
       count = (inCode || line.trim().length) ? 0 : count + 1;
       if (maximum < count) {
-        addErrorDetailIf(onError, lineIndex + 1, maximum, count);
+        addErrorDetailIf(
+          onError,
+          lineIndex + 1,
+          maximum,
+          count,
+          null,
+          null,
+          null,
+          {
+            "deleteCount": -1
+          });
       }
     });
   }

lib/md028.js

@@ -10,12 +10,29 @@ module.exports = {
   "tags": [ "blockquote", "whitespace" ],
   "function": function MD028(params, onError) {
     let prevToken = {};
+    let prevLineNumber = null;
     params.tokens.forEach(function forToken(token) {
       if ((token.type === "blockquote_open") &&
           (prevToken.type === "blockquote_close")) {
-        addError(onError, token.lineNumber - 1);
+        for (
+          let lineNumber = prevLineNumber;
+          lineNumber < token.lineNumber;
+          lineNumber++) {
+          addError(
+            onError,
+            lineNumber,
+            null,
+            null,
+            null,
+            {
+              "deleteCount": -1
+            });
+        }
       }
       prevToken = token;
+      if (token.type === "blockquote_open") {
+        prevLineNumber = token.map[1] + 1;
+      }
     });
   }
 };