diff --git a/package.json b/package.json
index f0bd6a8..de5d969 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,8 @@
   "scripts": {
     "build": "npm run tsc && npm run peg && npm run webpack",
     "build-dev": "npm run tsc && npm run peg-dev && npm run webpack-dev",
-    "peg": "node ./built/build",
-    "peg-dev": "node ./built/build trace",
+    "peg": "mkdirp ./built/parser && pegjs -o built/parser/core-parser.js --allowed-start-rules root,plain src/parser/core-parser.pegjs",
+    "peg-dev": "mkdirp ./built/parser && pegjs -o built/parser/core-parser.js --allowed-start-rules root,plain --trace src/parser/core-parser.pegjs",
     "tsc": "tsc",
     "webpack": "webpack --mode=production",
     "webpack-dev": "webpack --mode=development",
diff --git a/src/build.ts b/src/build.ts
deleted file mode 100644
index 0986692..0000000
--- a/src/build.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { promises as fs } from 'fs';
-import path from 'path';
-import { generateCode } from './misc/generate-peg';
-
-async function entryPoint() {
-	// get arguments
-	let trace = false;
-	if (process.argv.some(i => i == 'trace')) {
-		trace = true;
-	}
-
-	const srcPath = path.join(__dirname, '../src/parser/core-parser.pegjs');
-	const destPath = path.join(__dirname, '../built/parser/core-parser.js');
-
-	// generate a code from PEG
-	const generatedCode = await generateCode(srcPath, trace);
-
-	// write the generated code
-	await fs.writeFile(destPath, generatedCode, { encoding: 'utf8' });
-}
-entryPoint()
-.catch(err => {
-	console.log(err);
-	process.exit(1);
-});
diff --git a/src/misc/generate-peg.ts b/src/misc/generate-peg.ts
deleted file mode 100644
index 0eb77c4..0000000
--- a/src/misc/generate-peg.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-import { promises as fs } from 'fs';
-import peg from 'pegjs';
-
-export async function generateParser(srcPath: string, trace?: boolean): Promise<peg.Parser>
-{
-	// read the parser source
-	const source = await fs.readFile(srcPath, 'utf8');
-
-	// generate a parser code
-	const generatedCode = peg.generate(source, {
-		allowedStartRules: ['root', 'all', 'inline'],
-		trace: trace
-	});
-
-	return generatedCode;
-}
-
-export async function generateCode(srcPath: string, trace?: boolean): Promise<string>
-{
-	// read the parser source
-	const source = await fs.readFile(srcPath, 'utf8');
-
-	// generate a parser code
-	const generatedCode = peg.generate(source, {
-		allowedStartRules: ['root', 'all', 'inline'],
-		output: 'source',
-		format: 'commonjs',
-		trace: trace
-	});
-
-	return generatedCode;
-}
diff --git a/src/parser/core-parser.pegjs b/src/parser/core-parser.pegjs
index fb84ae5..f1779a8 100644
--- a/src/parser/core-parser.pegjs
+++ b/src/parser/core-parser.pegjs
@@ -4,23 +4,17 @@
 		mergeText
 	} = require('./parser-utils');
 
-	function applyParser(input, rule) {
+	function applyParser(input, startRule) {
 		let parseFunc = peg$parse;
-		return parseFunc(input, rule ? { startRule : rule } : { });
+		return parseFunc(input, startRule ? { startRule } : { });
 	}
 }
 
 root
-	= ts:all*
-{
-	return mergeText(ts);
-}
+	= ts:(block / inline)* { return mergeText(ts); }
 
-all
-	= block / inline
-
-// plain
-// 	=
+plain
+	= ts:(text /*/ emoji*/)* { return mergeText(ts); }
 
 block
 	= title
@@ -30,8 +24,10 @@ block
 
 inline
 	= big
-	/ c:. { return createTree('text', { text: c }); }
+	/ text
 
+text
+	= c:. { return createTree('text', { text: c }); }
 
 // block: title