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Docs: add FAQ about vue-eslint-parser

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@@ -113,6 +113,30 @@ The `--fix` option on the command line automatically fixes problems reported by
`113`	`113`
`114`	`114`	`<!--RULES_TABLE_END-->`
`115`	`115`
	`116`	`+## :couple: FAQ`
	`117`	`+`
	`118`	`+### What is the "Use the latest vue-eslint-parser" error?`
	`119`	`+`
	`120`	+The most rules of `eslint-plugin-vue` require `vue-eslint-parser` to check `<template>` ASTs.
	`121`	`+`
	`122`	`+Make sure you have one of the following settings in your .eslintrc:`
	`123`	`+`
	`124`	+- `"extends": ["plugin:vue/recommended"]`
	`125`	+- `"extends": ["plugin:vue/base"]`
	`126`	`+`
	`127`	+If you already use other parser (e.g. `"parser": "babel-eslint"`), please move it into `parserOptions`, so it doesn't collide with the `vue-eslint-parser` used by this plugin's configuration:
	`128`	`+`
	`129`	+```diff
	`130`	`+- "parser": "babel-eslint",`
	`131`	`+ "parserOptions": {`
	`132`	`++ "parser": "babel-eslint",`
	`133`	`+ "ecmaVersion": 2017,`
	`134`	`+ "sourceType": "module"`
	`135`	`+ }`
	`136`	+```
	`137`	`+`
	`138`	+The `vue-eslint-parser` uses the parser which is set by `parserOptions.parser` to parse scripts.
	`139`	`+`
`116`	`140`	`## :anchor: Semantic Versioning Policy`
`117`	`141`
`118`	`142`	`This plugin follows [semantic versioning](http://semver.org/) and [ESLint's Semantic Versioning Policy](https://github.com/eslint/eslint#semantic-versioning-policy).`

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`@@ -32,7 +32,7 @@ module.exports = {`
`32`	`32`	`if (context.parserServices.registerTemplateBodyVisitor == null) {`
`33`	`33`	`context.report({`
`34`	`34`	`loc: { line: 1, column: 0 },`
`35`		`- message: 'Use the latest vue-eslint-parser.'`
	`35`	`+ message: 'Use the latest vue-eslint-parser. See also https://github.com/vuejs/eslint-plugin-vue#what-is-use-the-latest-vue-eslint-parser-errors'`
`36`	`36`	`})`
`37`	`37`	`return`
`38`	`38`	`}`

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