fix: trace only when debug enabled

chore(release): 5.1.1 [skip ci]
## [5.1.1](https://github.com/wickedest/Mergely/compare/v5.1.0...v5.1.1) (2024-03-11) ### Bug Fixes * **#183:** fixes undefined 'k' due to scoped 'let' ([02e383d](02e383d94d))
2025-12-08 06:48:03 +08:00 · 2024-05-06 08:38:12 +01:00 · 2024-03-11 19:46:42 +00:00 · 2024-03-11 19:45:47 +00:00 · 2024-03-11 19:40:31 +00:00 · 2024-03-11 19:40:09 +00:00
12 changed files with 364 additions and 192 deletions
--- a/.releaserc.yaml
+++ b/.releaserc.yaml
@@ -0,0 +1,11 @@
+branches:
+  - master
+  - name: alpha
+    prerelease: true
+plugins:
+  - "@semantic-release/commit-analyzer"
+  - "@semantic-release/release-notes-generator"
+  - "@semantic-release/changelog"
+  - "@semantic-release/npm"
+  - "@semantic-release/git"
+  - "@semantic-release/github"
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,69 @@
+## [5.1.1](https://github.com/wickedest/Mergely/compare/v5.1.0...v5.1.1) (2024-03-11)
+
+
+### Bug Fixes
+
+* **#183:** fixes undefined 'k' due to scoped 'let' ([02e383d](https://github.com/wickedest/Mergely/commit/02e383d94d685e41cb68d945b9726bbcbfeb0ccf))
+
+# [5.1.0](https://github.com/wickedest/Mergely/compare/v5.0.4...v5.1.0) (2023-08-27)
+
+
+### Features
+
+* support CM modes: go, javascript, htmlmixed, markdown, python ([827487a](https://github.com/wickedest/Mergely/commit/827487a5983cb89ef41415435d44239e35983b9a))
+
+## [5.0.4](https://github.com/wickedest/Mergely/compare/v5.0.3...v5.0.4) (2023-08-27)
+
+
+### Bug Fixes
+
+* updated CDN example ([dec1e95](https://github.com/wickedest/Mergely/commit/dec1e9509d94811914e77cbc33dc1aaedf154f7c))
+
+## [5.0.3](https://github.com/wickedest/Mergely/compare/v5.0.2...v5.0.3) (2023-08-27)
+
+
+### Bug Fixes
+
+* Updated docs with CDN example ([254adf1](https://github.com/wickedest/Mergely/commit/254adf15ab09fe9c5c3dff542d0a7f62ce2c9782))
+
+## [5.0.2](https://github.com/wickedest/Mergely/compare/v5.0.1...v5.0.2) (2023-04-24)
+
+
+### Bug Fixes
+
+* **scroll:** fixed issue where first rhs scroll was unlinked ([7b2040c](https://github.com/wickedest/Mergely/commit/7b2040c6ad17ea70a09720f54d9a255cdc57cd67))
+
+## [5.0.1](https://github.com/wickedest/Mergely/compare/v5.0.0...v5.0.1) (2023-04-23)
+
+
+### Bug Fixes
+
+* update release ([a8b497b](https://github.com/wickedest/Mergely/commit/a8b497bc9b68beb5d8265106d9f010aa9489dd17))
+
 # Changelog

 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.

+### [5.0.0](https://github.com/wickedest/Mergely/compare/v4.3.9...v5.0.0) (2023-04-23)
+
+
+### BREAKING CHANGES
+
+- Mergely is no longer a jQuery plugin.
+- Removed options.autoresize
+- Removed options.editor_width
+- Removed options.editor_height
+- Removed options.fadein
+- Removed options.fgcolor
+- Removed options.resize
+- Removed options.width
+- Removed options.height
+- Removed options.loaded callback
+- Removed options.resized callback
+- Removed styles .mergely-resizer, .mergely-full-screen-0, and .mergely-full-screen-8
+- Changed default for options.change_timeout changed from 150 to 50.
+- No longer automatically scrolls to first change.
+
 ### 4.3.9 (2022-01-19)


--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@

 https://mergely.com

-Mergely is a JavaScript component for differencing and merging files interactively in a browser (diff/merge). It provides a rich API that enables you to easily integrate Mergely into your existing web application. It is suitable for comparing text files online, for example, .txt, .html, .xml, .c, .cpp, .java, etc.
+Mergely is a JavaScript component for differencing and merging files interactively in a browser (diff/merge). It provides a rich API that enables you to easily integrate Mergely into your existing web application. It is suitable for comparing text files online, such as .txt, .html, .xml, .c, .cpp, .java, .js, etc.

 Mergely has a JavaScript implementation of the Longest Common Subsequence (LCS) diff algorithm, and a customizable markup engine. It computes the diff within the browser.

@@ -36,11 +36,11 @@ rm -rf .git

 ### Usage via CDN

-Unpack mergely.tgz into a folder, for example, `./lib`, and add the following to the `<head>` of your target HTML source file.
+Add the following to the `<head>` of your target HTML source file. Note that `codemirror` is bundled.

 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mergely/5.0.0/mergely.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mergely/5.0.0/mergely.css"></script>
+<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mergely/5.0.0/mergely.min.js"></script>
+<link type="text/css" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mergely/5.0.0/mergely.css" />
 ```

 ### Synchronous initialization
@@ -82,6 +82,16 @@ Mergely will emit an `updated` event when the editor is first initialized, and e
 </body>
 ```

+### Visualization modes
+
+Mergely supports the following CodeMirror visualizations for [mode](codemirror.net/5/doc/manual.html#option_mode):
+
+* go
+* javascript
+* htmlmixed
+* markdown
+* python
+
 ## Options

 |Option|Type|Default value|Description|
--- a/examples/cdn.html
+++ b/examples/cdn.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="utf-8" />
+	<title>Mergely - Example full page editor</title>
+	<meta http-equiv="X-UA-Compatible" content="chrome=1, IE=edge">
+	<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
+	<meta name="description" content="" />
+	<meta name="keywords" content="mergely,diff,merge,compare" />
+	<meta name="author" content="Jamie Peabody" />
+	<link rel="icon" href="/favicon.svg" type="image/svg+xml">
+
+	<!-- Mergely -->
+	<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mergely/5.0.0/mergely.min.js"></script>
+	<link type="text/css" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mergely/5.0.0/mergely.css" />
+
+	<style type="text/css">
+		html, body {
+			height: 100%;
+			margin: 0;
+		}
+		#compare {
+			height: inherit;
+		}
+	</style>
+</head>
+<body>
+	<div id="compare"></div>
+
+	<script>
+		const mergely = new Mergely('#compare');
+		mergely.once('updated', () => {
+			mergely.lhs('the quick red fox\njumped over the hairy dog');
+			mergely.rhs('the quick brown fox\njumped over the lazy dog');
+		});
+	</script>
+</body>
+</html>
--- a/examples/index.html
+++ b/examples/index.html
@@ -21,6 +21,9 @@ This example demonstrates the minimum amount of code required to use Mergely.
 	<h1>Examples</h1>

 	<dl>
+		<dt><a href="cdn.html">cdn.html</a></dt>
+		<dd>Demonstrates how to use Mergely with CDN.</dd>
+
 		<dt><a href="editor.html">editor.html</a></dt>
 		<dd>An example editor showcasing some of Mergely's API features.</dd>

--- a/git-conventional-commits.json
+++ b/git-conventional-commits.json
@@ -22,6 +22,7 @@

  "changelog" : {
    "commitTypes": [
+      "docs",
      "feat",
      "fix",
      "perf",
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
  "name": "mergely",
-  "version": "5.0.0-alpha.2",
+  "version": "5.1.1",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "mergely",
-      "version": "5.0.0-alpha.2",
+      "version": "5.1.1",
      "license": "(GPL-3.0 OR LGPL-3.0 OR MPL-1.1 OR SEE LICENSE IN LICENSE)",
      "devDependencies": {
        "@babel/core": "^7.1.6",
@@ -14,6 +14,8 @@
        "@commitlint/cli": "^17.6.1",
        "@commitlint/config-conventional": "^15.0.0",
        "@commitlint/prompt-cli": "^15.0.0",
+        "@semantic-release/changelog": "^6.0.3",
+        "@semantic-release/git": "^10.0.1",
        "babel-loader": "^8.2.3",
        "babel-plugin-syntax-dynamic-import": "^6.18.0",
        "chai": "^4.3.4",
@@ -58,12 +60,13 @@
      }
    },
    "node_modules/@babel/code-frame": {
-      "version": "7.21.4",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.21.4.tgz",
-      "integrity": "sha512-LYvhNKfwWSPpocw8GI7gpK2nq3HSDuEPC/uSYaALSJu9xjsalaaYFOq0Pwt5KmVqwEbZlDu81aLXwBOmD/Fv9g==",
+      "version": "7.22.13",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.22.13.tgz",
+      "integrity": "sha512-XktuhWlJ5g+3TJXc5upd9Ks1HutSArik6jf2eAjYFyIOf4ej3RN+184cZbzDvbPnuTJIUhPKKJE3cIsYTiAT3w==",
      "dev": true,
      "dependencies": {
-        "@babel/highlight": "^7.18.6"
+        "@babel/highlight": "^7.22.13",
+        "chalk": "^2.4.2"
      },
      "engines": {
        "node": ">=6.9.0"
@@ -109,12 +112,12 @@
      }
    },
    "node_modules/@babel/generator": {
-      "version": "7.21.4",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.21.4.tgz",
-      "integrity": "sha512-NieM3pVIYW2SwGzKoqfPrQsf4xGs9M9AIG3ThppsSRmO+m7eQhmI6amajKMUeIO37wFfsvnvcxQFx6x6iqxDnA==",
+      "version": "7.23.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.23.0.tgz",
+      "integrity": "sha512-lN85QRR+5IbYrMWM6Y4pE/noaQtg4pNiqeNGX60eqOfo6gtEj6uw/JagelB8vVztSd7R6M5n1+PQkDbHbBRU4g==",
      "dev": true,
      "dependencies": {
-        "@babel/types": "^7.21.4",
+        "@babel/types": "^7.23.0",
        "@jridgewell/gen-mapping": "^0.3.2",
        "@jridgewell/trace-mapping": "^0.3.17",
        "jsesc": "^2.5.1"
@@ -237,9 +240,9 @@
      }
    },
    "node_modules/@babel/helper-environment-visitor": {
-      "version": "7.18.9",
-      "resolved": "https://registry.npmjs.org/@babel/helper-environment-visitor/-/helper-environment-visitor-7.18.9.tgz",
-      "integrity": "sha512-3r/aACDJ3fhQ/EVgFy0hpj8oHyHpQc+LPtJoY9SzTThAsStm4Ptegq92vqKoE3vD706ZVFWITnMnxucw+S9Ipg==",
+      "version": "7.22.20",
+      "resolved": "https://registry.npmjs.org/@babel/helper-environment-visitor/-/helper-environment-visitor-7.22.20.tgz",
+      "integrity": "sha512-zfedSIzFhat/gFhWfHtgWvlec0nqB9YEIVrpuwjruLlXfUSnA8cJB0miHKwqDnQ7d32aKo2xt88/xZptwxbfhA==",
      "dev": true,
      "engines": {
        "node": ">=6.9.0"
@@ -258,25 +261,25 @@
      }
    },
    "node_modules/@babel/helper-function-name": {
-      "version": "7.21.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.21.0.tgz",
-      "integrity": "sha512-HfK1aMRanKHpxemaY2gqBmL04iAPOPRj7DxtNbiDOrJK+gdwkiNRVpCpUJYbUT+aZyemKN8brqTOxzCaG6ExRg==",
+      "version": "7.23.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.23.0.tgz",
+      "integrity": "sha512-OErEqsrxjZTJciZ4Oo+eoZqeW9UIiOcuYKRJA4ZAgV9myA+pOXhhmpfNCKjEH/auVfEYVFJ6y1Tc4r0eIApqiw==",
      "dev": true,
      "dependencies": {
-        "@babel/template": "^7.20.7",
-        "@babel/types": "^7.21.0"
+        "@babel/template": "^7.22.15",
+        "@babel/types": "^7.23.0"
      },
      "engines": {
        "node": ">=6.9.0"
      }
    },
    "node_modules/@babel/helper-hoist-variables": {
-      "version": "7.18.6",
-      "resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.18.6.tgz",
-      "integrity": "sha512-UlJQPkFqFULIcyW5sbzgbkxn2FKRgwWiRexcuaR8RNJRy8+LLveqPjwZV/bwrLZCN0eUHD/x8D0heK1ozuoo6Q==",
+      "version": "7.22.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.22.5.tgz",
+      "integrity": "sha512-wGjk9QZVzvknA6yKIUURb8zY3grXCcOZt+/7Wcy8O2uctxhplmUPkOdlgoNhmdVee2c92JXbf1xpMtVNbfoxRw==",
      "dev": true,
      "dependencies": {
-        "@babel/types": "^7.18.6"
+        "@babel/types": "^7.22.5"
      },
      "engines": {
        "node": ">=6.9.0"
@@ -406,30 +409,30 @@
      }
    },
    "node_modules/@babel/helper-split-export-declaration": {
-      "version": "7.18.6",
-      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.18.6.tgz",
-      "integrity": "sha512-bde1etTx6ZyTmobl9LLMMQsaizFVZrquTEHOqKeQESMKo4PlObf+8+JA25ZsIpZhT/WEd39+vOdLXAFG/nELpA==",
+      "version": "7.22.6",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.22.6.tgz",
+      "integrity": "sha512-AsUnxuLhRYsisFiaJwvp1QF+I3KjD5FOxut14q/GzovUe6orHLesW2C7d754kRm53h5gqrz6sFl6sxc4BVtE/g==",
      "dev": true,
      "dependencies": {
-        "@babel/types": "^7.18.6"
+        "@babel/types": "^7.22.5"
      },
      "engines": {
        "node": ">=6.9.0"
      }
    },
    "node_modules/@babel/helper-string-parser": {
-      "version": "7.19.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.19.4.tgz",
-      "integrity": "sha512-nHtDoQcuqFmwYNYPz3Rah5ph2p8PFeFCsZk9A/48dPc/rGocJ5J3hAAZ7pb76VWX3fZKu+uEr/FhH5jLx7umrw==",
+      "version": "7.22.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.22.5.tgz",
+      "integrity": "sha512-mM4COjgZox8U+JcXQwPijIZLElkgEpO5rsERVDJTc2qfCDfERyob6k5WegS14SX18IIjv+XD+GrqNumY5JRCDw==",
      "dev": true,
      "engines": {
        "node": ">=6.9.0"
      }
    },
    "node_modules/@babel/helper-validator-identifier": {
-      "version": "7.19.1",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.19.1.tgz",
-      "integrity": "sha512-awrNfaMtnHUr653GgGEs++LlAvW6w+DcPrOliSMXWCKo597CwL5Acf/wWdNkf/tfEQE3mjkeD1YOVZOUV/od1w==",
+      "version": "7.22.20",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.22.20.tgz",
+      "integrity": "sha512-Y4OZ+ytlatR8AI+8KZfKuL5urKp7qey08ha31L8b3BwewJAoJamTzyvxPR/5D+KkdJCGPq/+8TukHBlY10FX9A==",
      "dev": true,
      "engines": {
        "node": ">=6.9.0"
@@ -474,13 +477,13 @@
      }
    },
    "node_modules/@babel/highlight": {
-      "version": "7.18.6",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.18.6.tgz",
-      "integrity": "sha512-u7stbOuYjaPezCuLj29hNW1v64M2Md2qupEKP1fHc7WdOA3DgLh37suiSrZYY7haUB7iBeQZ9P1uiRF359do3g==",
+      "version": "7.22.20",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.22.20.tgz",
+      "integrity": "sha512-dkdMCN3py0+ksCgYmGG8jKeGA/8Tk+gJwSYYlFGxG5lmhfKNoAy004YpLxpS1W2J8m/EK2Ew+yOs9pVRwO89mg==",
      "dev": true,
      "dependencies": {
-        "@babel/helper-validator-identifier": "^7.18.6",
-        "chalk": "^2.0.0",
+        "@babel/helper-validator-identifier": "^7.22.20",
+        "chalk": "^2.4.2",
        "js-tokens": "^4.0.0"
      },
      "engines": {
@@ -488,9 +491,9 @@
      }
    },
    "node_modules/@babel/parser": {
-      "version": "7.21.4",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.21.4.tgz",
-      "integrity": "sha512-alVJj7k7zIxqBZ7BTRhz0IqJFxW1VJbm6N8JbcYhQ186df9ZBPbZBmWSqAMXwHGsCJdYks7z/voa3ibiS5bCIw==",
+      "version": "7.23.0",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.23.0.tgz",
+      "integrity": "sha512-vvPKKdMemU85V9WE/l5wZEmImpCtLqbnTvqDS2U1fJ96KrxoW7KrXhNsNCblQlg8Ck4b85yxdTyelsMUgFUXiw==",
      "dev": true,
      "bin": {
        "parser": "bin/babel-parser.js"
@@ -1609,33 +1612,33 @@
      "dev": true
    },
    "node_modules/@babel/template": {
-      "version": "7.20.7",
-      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.20.7.tgz",
-      "integrity": "sha512-8SegXApWe6VoNw0r9JHpSteLKTpTiLZ4rMlGIm9JQ18KiCtyQiAMEazujAHrUS5flrcqYZa75ukev3P6QmUwUw==",
+      "version": "7.22.15",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.22.15.tgz",
+      "integrity": "sha512-QPErUVm4uyJa60rkI73qneDacvdvzxshT3kksGqlGWYdOTIUOwJ7RDUL8sGqslY1uXWSL6xMFKEXDS3ox2uF0w==",
      "dev": true,
      "dependencies": {
-        "@babel/code-frame": "^7.18.6",
-        "@babel/parser": "^7.20.7",
-        "@babel/types": "^7.20.7"
+        "@babel/code-frame": "^7.22.13",
+        "@babel/parser": "^7.22.15",
+        "@babel/types": "^7.22.15"
      },
      "engines": {
        "node": ">=6.9.0"
      }
    },
    "node_modules/@babel/traverse": {
-      "version": "7.21.4",
-      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.21.4.tgz",
-      "integrity": "sha512-eyKrRHKdyZxqDm+fV1iqL9UAHMoIg0nDaGqfIOd8rKH17m5snv7Gn4qgjBoFfLz9APvjFU/ICT00NVCv1Epp8Q==",
+      "version": "7.23.2",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.23.2.tgz",
+      "integrity": "sha512-azpe59SQ48qG6nu2CzcMLbxUudtN+dOM9kDbUqGq3HXUJRlo7i8fvPoxQUzYgLZ4cMVmuZgm8vvBpNeRhd6XSw==",
      "dev": true,
      "dependencies": {
-        "@babel/code-frame": "^7.21.4",
-        "@babel/generator": "^7.21.4",
-        "@babel/helper-environment-visitor": "^7.18.9",
-        "@babel/helper-function-name": "^7.21.0",
-        "@babel/helper-hoist-variables": "^7.18.6",
-        "@babel/helper-split-export-declaration": "^7.18.6",
-        "@babel/parser": "^7.21.4",
-        "@babel/types": "^7.21.4",
+        "@babel/code-frame": "^7.22.13",
+        "@babel/generator": "^7.23.0",
+        "@babel/helper-environment-visitor": "^7.22.20",
+        "@babel/helper-function-name": "^7.23.0",
+        "@babel/helper-hoist-variables": "^7.22.5",
+        "@babel/helper-split-export-declaration": "^7.22.6",
+        "@babel/parser": "^7.23.0",
+        "@babel/types": "^7.23.0",
        "debug": "^4.1.0",
        "globals": "^11.1.0"
      },
@@ -1644,13 +1647,13 @@
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    },
    "node_modules/@babel/types": {
-      "version": "7.21.4",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.21.4.tgz",
-      "integrity": "sha512-rU2oY501qDxE8Pyo7i/Orqma4ziCOrby0/9mvbDUGEfvZjb279Nk9k19e2fiCxHbRRpY2ZyrgW1eq22mvmOIzA==",
+      "version": "7.23.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.23.0.tgz",
+      "integrity": "sha512-0oIyUfKoI3mSqMvsxBdclDwxXKXAUA8v/apZbc+iSyARYou1o8ZGDxbUYyLFoW2arqS2jDGqJuZvv1d/io1axg==",
      "dev": true,
      "dependencies": {
-        "@babel/helper-string-parser": "^7.19.4",
-        "@babel/helper-validator-identifier": "^7.19.1",
+        "@babel/helper-string-parser": "^7.22.5",
+        "@babel/helper-validator-identifier": "^7.22.20",
        "to-fast-properties": "^2.0.0"
      },
      "engines": {
@@ -3496,6 +3499,59 @@
        "node": ">=12"
      }
    },
+    "node_modules/@semantic-release/changelog": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/@semantic-release/changelog/-/changelog-6.0.3.tgz",
+      "integrity": "sha512-dZuR5qByyfe3Y03TpmCvAxCyTnp7r5XwtHRf/8vD9EAn4ZWbavUX8adMtXYzE86EVh0gyLA7lm5yW4IV30XUag==",
+      "dev": true,
+      "dependencies": {
+        "@semantic-release/error": "^3.0.0",
+        "aggregate-error": "^3.0.0",
+        "fs-extra": "^11.0.0",
+        "lodash": "^4.17.4"
+      },
+      "engines": {
+        "node": ">=14.17"
+      },
+      "peerDependencies": {
+        "semantic-release": ">=18.0.0"
+      }
+    },
+    "node_modules/@semantic-release/changelog/node_modules/fs-extra": {
+      "version": "11.1.1",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.1.1.tgz",
+      "integrity": "sha512-MGIE4HOvQCeUCzmlHs0vXpih4ysz4wg9qiSAu6cd42lVwPbTM1TjV7RusoyQqMmk/95gdQZX72u+YW+c3eEpFQ==",
+      "dev": true,
+      "dependencies": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=14.14"
+      }
+    },
+    "node_modules/@semantic-release/changelog/node_modules/jsonfile": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
+      "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
+      "dev": true,
+      "dependencies": {
+        "universalify": "^2.0.0"
+      },
+      "optionalDependencies": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "node_modules/@semantic-release/changelog/node_modules/universalify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
+      "integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==",
+      "dev": true,
+      "engines": {
+        "node": ">= 10.0.0"
+      }
+    },
    "node_modules/@semantic-release/commit-analyzer": {
      "version": "9.0.2",
      "resolved": "https://registry.npmjs.org/@semantic-release/commit-analyzer/-/commit-analyzer-9.0.2.tgz",
@@ -3526,6 +3582,37 @@
        "node": ">=14.17"
      }
    },
+    "node_modules/@semantic-release/git": {
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/@semantic-release/git/-/git-10.0.1.tgz",
+      "integrity": "sha512-eWrx5KguUcU2wUPaO6sfvZI0wPafUKAMNC18aXY4EnNcrZL86dEmpNVnC9uMpGZkmZJ9EfCVJBQx4pV4EMGT1w==",
+      "dev": true,
+      "dependencies": {
+        "@semantic-release/error": "^3.0.0",
+        "aggregate-error": "^3.0.0",
+        "debug": "^4.0.0",
+        "dir-glob": "^3.0.0",
+        "execa": "^5.0.0",
+        "lodash": "^4.17.4",
+        "micromatch": "^4.0.0",
+        "p-reduce": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=14.17"
+      },
+      "peerDependencies": {
+        "semantic-release": ">=18.0.0"
+      }
+    },
+    "node_modules/@semantic-release/git/node_modules/p-reduce": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/p-reduce/-/p-reduce-2.1.0.tgz",
+      "integrity": "sha512-2USApvnsutq8uoxZBGbbWM0JIYLiEMJ9RlaN7fAzVNb9OZN0SHjjTTfIcb667XynS5Y1VhwDJVDa72TnPzAYWw==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
    "node_modules/@semantic-release/github": {
      "version": "8.0.7",
      "resolved": "https://registry.npmjs.org/@semantic-release/github/-/github-8.0.7.tgz",
@@ -6813,9 +6900,9 @@
      }
    },
    "node_modules/engine.io": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.4.1.tgz",
-      "integrity": "sha512-JFYQurD/nbsA5BSPmbaOSLa3tSVj8L6o4srSwXXY3NqE+gGUNmmPTbhn8tjzcCtSqhFgIeqef81ngny8JM25hw==",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.4.2.tgz",
+      "integrity": "sha512-FKn/3oMiJjrOEOeUub2WCox6JhxBXq/Zn3fZOMCBxKnNYtsdKjxhl7yR3fZhM9PV+rdE75SU5SYMc+2PGzo+Tg==",
      "dev": true,
      "dependencies": {
        "@types/cookie": "^0.4.1",
@@ -14791,9 +14878,9 @@
      }
    },
    "node_modules/postcss": {
-      "version": "8.4.21",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
-      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
      "dev": true,
      "funding": [
        {
@@ -14803,10 +14890,14 @@
        {
          "type": "tidelift",
          "url": "https://tidelift.com/funding/github/npm/postcss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
        }
      ],
      "dependencies": {
-        "nanoid": "^3.3.4",
+        "nanoid": "^3.3.6",
        "picocolors": "^1.0.0",
        "source-map-js": "^1.0.2"
      },
@@ -16478,9 +16569,9 @@
      }
    },
    "node_modules/socket.io-parser": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.2.tgz",
-      "integrity": "sha512-DJtziuKypFkMMHCm2uIshOYC7QaylbtzQwiMYDuCKy3OPkjLzu4B2vAhTlqipRHHzrI0NJeBAizTK7X+6m1jVw==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.3.tgz",
+      "integrity": "sha512-JMafRntWVO2DCJimKsRTh/wnqVvO4hrfwOqtO7f+uzwsQMuxO6VwImtYxaQ+ieoyshWOTJyV0fA21lccEXRPpQ==",
      "dev": true,
      "dependencies": {
        "@socket.io/component-emitter": "~3.1.0",
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "mergely",
-  "version": "5.0.0-alpha.2",
+  "version": "5.1.1",
  "description": "A javascript UI for diff/merge",
  "license": "(GPL-3.0 OR LGPL-3.0 OR MPL-1.1 OR SEE LICENSE IN LICENSE)",
  "author": {
@@ -14,7 +14,7 @@
  },
  "repository": {
    "type": "git",
-    "url": "git+https://github.com/wickedest/Mergely.git"
+    "url": "git@github.com:wickedest/Mergely.git"
  },
  "main": "lib/mergely.js",
  "files": [
@@ -36,6 +36,8 @@
    "@commitlint/cli": "^17.6.1",
    "@commitlint/config-conventional": "^15.0.0",
    "@commitlint/prompt-cli": "^15.0.0",
+    "@semantic-release/changelog": "^6.0.3",
+    "@semantic-release/git": "^10.0.1",
    "babel-loader": "^8.2.3",
    "babel-plugin-syntax-dynamic-import": "^6.18.0",
    "chai": "^4.3.4",
--- a/src/diff-view.js
+++ b/src/diff-view.js
@@ -2,6 +2,12 @@ const CodeMirror = require('codemirror');
 require('codemirror/addon/search/searchcursor.js');
 require('codemirror/addon/selection/mark-selection.js');
 require('codemirror/lib/codemirror.css');
+require('codemirror/mode/go/go.js');
+require('codemirror/mode/javascript/javascript.js');
+require('codemirror/mode/htmlmixed/htmlmixed.js');
+require('codemirror/mode/markdown/markdown.js');
+require('codemirror/mode/python/python.js');
+
 const dom = require('./dom.js');
 const VDoc = require('./vdoc');

@@ -45,15 +51,14 @@ CodeMirrorDiffView.prototype.init = function(el, options = {}) {
 		gutters: (this.settings.line_numbers && [ 'merge', 'CodeMirror-linenumbers' ]) || [],
 	};
 	this._vdoc = new VDoc({ _debug: this.settings._debug });
+	this._linkedScrollTimeout = {};
 };

 CodeMirrorDiffView.prototype.unbind = function() {
 	if (this._unbound) {
 		return;
 	}
-	if (this.settings._debug) {
-		trace('api#unbind');
-	}
+	this.trace('api#unbind');
 	if (this._changedTimeout != null) {
 		clearTimeout(this._changedTimeout);
 	}
@@ -82,9 +87,7 @@ CodeMirrorDiffView.prototype.readOnly = function(side) {
 }

 CodeMirrorDiffView.prototype.lhs = function(text) {
-	if (this.settings._debug) {
-		trace('api#lhs', text && text.length);
-	}
+	this.trace('api#lhs', text && text.length);
 	// invalidate existing changes and current position
 	this.changes = [];
 	this._current_diff = -1;
@@ -93,33 +96,25 @@ CodeMirrorDiffView.prototype.lhs = function(text) {

 CodeMirrorDiffView.prototype.rhs = function(text) {
 	// invalidate existing changes and current position
-	if (this.settings._debug) {
-		trace('api#rhs', text && text.length);
-	}
+	this.trace('api#rhs', text && text.length);
 	this.changes = [];
 	this._current_diff = -1;
 	this.editor.rhs.setValue(text);
 };

 CodeMirrorDiffView.prototype.update = function() {
-	if (this.settings._debug) {
-		trace('api#update');
-	}
+	this.trace('api#update');
 	this.el.dispatchEvent(new Event('changed'));
 };

 CodeMirrorDiffView.prototype.unmarkup = function() {
-	if (this.settings._debug) {
-		trace('api#unmarkup');
-	}
+	this.trace('api#unmarkup');
 	this._clear();
 	this.el.dispatchEvent(new Event('updated'));
 };

 CodeMirrorDiffView.prototype.scrollToDiff = function(direction) {
-	if (this.settings._debug) {
-		trace('api#scrollToDiff', direction);
-	}
+	this.trace('api#scrollToDiff', direction);
 	if (!this.changes.length) return;
 	if (direction === 'next') {
 		if (this._current_diff === this.changes.length - 1
@@ -136,18 +131,14 @@ CodeMirrorDiffView.prototype.scrollToDiff = function(direction) {
 			this._current_diff = Math.max(--this._current_diff, 0);
 		}
 	}
-	if (this.settings._debug) {
-		trace('change', 'current-diff', this._current_diff);
-	}
+	this.trace('change', 'current-diff', this._current_diff);
 	// _current_diff changed, refresh the view
 	this._scroll_to_change(this.changes[this._current_diff]);
 	this.setChanges(this.changes);
 };

 CodeMirrorDiffView.prototype.mergeCurrentChange = function(side) {
-	if (this.settings._debug) {
-		trace('api#mergeCurrentChange', side);
-	}
+	this.trace('api#mergeCurrentChange', side);
 	if (!this.changes.length) return;
 	if (side == 'lhs' && !this.lhs_cmsettings.readOnly) {
 		this._merge_change(this.changes[this._current_diff], 'rhs', 'lhs');
@@ -158,9 +149,7 @@ CodeMirrorDiffView.prototype.mergeCurrentChange = function(side) {
 };

 CodeMirrorDiffView.prototype.scrollTo = function(side, num) {
-	if (this.settings._debug) {
-		trace('api#scrollTo', side, num);
-	}
+	this.trace('api#scrollTo', side, num);
 	const ed = this.editor[side];
 	ed.setCursor(num);
 	ed.centerOnCursor();
@@ -174,9 +163,7 @@ CodeMirrorDiffView.prototype.setOptions = function(opts) {
 		...this.settings,
 		...opts
 	};
-	if (this.settings._debug) {
-		trace('api#setOptions', opts);
-	}
+	this.trace('api#setOptions', opts);

 	// if options set after init
 	if (this.editor) {
@@ -209,9 +196,7 @@ CodeMirrorDiffView.prototype.setOptions = function(opts) {
 };

 CodeMirrorDiffView.prototype.get = function(side) {
-	if (this.settings._debug) {
-		trace('api#get', side);
-	}
+	this.trace('api#get', side);
 	const ed = this.editor[side];
 	const value = ed.getValue();
 	if (value === undefined) {
@@ -221,16 +206,12 @@ CodeMirrorDiffView.prototype.get = function(side) {
 };

 CodeMirrorDiffView.prototype.cm = function(side) {
-	if (this.settings._debug) {
-		trace('api#cm', 'side');
-	}
+	this.trace('api#cm', 'side');
 	return this.editor[side];
 };

 CodeMirrorDiffView.prototype.search = function(side, query, direction) {
-	if (this.settings._debug) {
-		trace('api#search', side, query, direction);
-	}
+	this.trace('api#search', side, query, direction);
 	const editor = this.editor[side];
 	if (!editor.getSearchCursor) {
 		throw new Error('install CodeMirror search addon');
@@ -257,9 +238,7 @@ CodeMirrorDiffView.prototype.search = function(side, query, direction) {
 };

 CodeMirrorDiffView.prototype.resize = function() {
-	if (this.settings._debug) {
-		trace('api#resize');
-	}
+	this.trace('api#resize');
 	const parent = this.el;
 	const contentHeight = parent.offsetHeight - 2;

@@ -282,9 +261,7 @@ CodeMirrorDiffView.prototype.resize = function() {
 };

 CodeMirrorDiffView.prototype.bind = function(container) {
-	if (this.settings._debug) {
-		trace('api#bind', container);
-	}
+	this.trace('api#bind', container);
 	this._origEl = {
 		style: container.style,
 		className: container.className
@@ -406,9 +383,7 @@ CodeMirrorDiffView.prototype.bind = function(container) {
 		}
 	});
 	this.editor.rhs.on('beforeChange', (cm, ev) => {
-		if (this.settings._debug) {
-			trace('event#rhs-beforeChange', ev);
-		}
+		this.trace('event#rhs-beforeChange', ev);
 		if (ev.text.length > 1
 			|| ((ev.from.line - ev.to.line) && ev.origin === '+delete')) {
 			this._clear();
@@ -416,24 +391,16 @@ CodeMirrorDiffView.prototype.bind = function(container) {
 	});

 	this.editor.lhs.on('change', (instance, ev) => {
-		if (this.settings._debug) {
-			trace('event#lhs-change');
-		}
+		this.trace('event#lhs-change');
 		this._changing();
-		if (this.settings._debug) {
-			trace('event#lhs-change [emitted]');
-		}
+		this.trace('event#lhs-change [emitted]');
 	});
 	this.editor.lhs.on('scroll', () => {
 		if (this._skipscroll.lhs) {
-			if (this.settings._debug) {
-				trace('event#lhs-scroll (skipped)');
-			}
+			this.trace('event#lhs-scroll (skipped)');
 			return;
 		} else {
-			if (this.settings._debug) {
-				trace('event#lhs-scroll');
-			}
+			this.trace('event#lhs-scroll');
 		}
 		// firefox scroll-linked effect render issue
 		setTimeout(() => {
@@ -441,21 +408,15 @@ CodeMirrorDiffView.prototype.bind = function(container) {
 		}, 1);
 	});
 	this.editor.rhs.on('change', (instance, ev) => {
-		if (this.settings._debug) {
-			trace('event#rhs-change', ev);
-		}
+		this.trace('event#rhs-change', ev);
 		this._changing();
 	});
 	this.editor.rhs.on('scroll', () => {
 		if (this._skipscroll.rhs) {
-			if (this.settings._debug) {
-				trace('event#rhs-scroll (skipped)');
-			}
+			this.trace('event#rhs-scroll (skipped)');
 			return;
 		} else {
-			if (this.settings._debug) {
-				trace('event#rhs-scroll');
-			}
+			this.trace('event#rhs-scroll');
 		}
 		// firefox scroll-linked effect render issue
 		setTimeout(() => {
@@ -468,7 +429,7 @@ CodeMirrorDiffView.prototype.bind = function(container) {
 	const resize = () => {
 		if (this.settings._debug) {
 			traceTimeStart('event#resize');
-			trace('event#resize [start]');
+			this.trace('event#resize [start]');
 		}
 		this.resize();
 		if (this.settings._debug) {
@@ -525,16 +486,12 @@ CodeMirrorDiffView.prototype.bind = function(container) {
 	}

 	this.editor.lhs.on('gutterClick', (cm, n, gutterClass, ev) => {
-		if (this.settings._debug) {
-			trace('event#gutterClick', 'lhs', n, ev);
-		}
+		this.trace('event#gutterClick', 'lhs', n, ev);
 		gutterClicked.call(this, 'lhs', n, ev);
 	});

 	this.editor.rhs.on('gutterClick', (cm, n, gutterClass, ev) => {
-		if (this.settings._debug) {
-			trace('event#gutterClick', 'rhs', n, ev);
-		}
+		this.trace('event#gutterClick', 'rhs', n, ev);
 		gutterClicked.call(this, 'rhs', n, ev);
 	});

@@ -682,18 +639,14 @@ CodeMirrorDiffView.prototype._scrolling = function({ side }) {
 	const vp = this.editor[oside].getViewport();
 	let scroll = true;
 	if (last_change) {
-		if (this.settings._debug) {
-			trace('scroll#_scrolling', 'last change before midline', last_change);
-		}
+		this.trace('scroll#_scrolling', 'last change before midline', last_change);
 		if (midline.line >= vp.from && midline <= vp.to) {
 			scroll = false;
 		}
 	}
 	if (scroll || force_scroll) {
 		// scroll the other side
-		if (this.settings._debug) {
-			trace('scroll#_scrolling', 'other side', oside, 'pos:', top_to - top_adjust);
-		}
+		this.trace('scroll#_scrolling', 'other side', oside, 'pos:', top_to - top_adjust);

 		// disable linked scroll events for the opposite editor because this
 		// triggers the next one explicitly, and we don't want to link the
@@ -701,18 +654,21 @@ CodeMirrorDiffView.prototype._scrolling = function({ side }) {
 		// coming in 2s, so this will "link" scrolling the other editor to
 		// this editor until this editor stops scrolling and times out.
 		this._skipscroll[oside] = true;
-		if (this._linkedScrollTimeout) {
-			clearTimeout(this._linkedScrollTimeout);
+		this.trace('scroll#set oside skip set:', oside, this._skipscroll);
+		if (this._linkedScrollTimeout[oside]) {
+			clearTimeout(this._linkedScrollTimeout[oside]);
+			this.trace('scroll#clearing timeout:', this._skipscroll);
 		}
-		this._linkedScrollTimeout = setTimeout(() => {
+		this._linkedScrollTimeout[oside] = setTimeout(() => {
 			this._skipscroll[oside] = false;
+			this.trace('scroll#set oside skip unset:', oside, this._skipscroll);
 		}, 100);

 		const top = top_to - top_adjust;
 		// scroll the opposite editor
 		this.editor[oside].scrollTo(left_to, top);
-	} else if (this.settings._debug) {
-		trace('scroll#_scrolling', 'not scrolling other side');
+	} else {
+		this.trace('scroll#_scrolling', 'not scrolling other side');
 	}
 	this._renderChanges();

@@ -723,23 +679,19 @@ CodeMirrorDiffView.prototype._scrolling = function({ side }) {

 CodeMirrorDiffView.prototype._changing = function() {
 	if (!this.settings.autoupdate) {
-		if (this.settings._debug) {
-			trace('change#_changing autoupdate is disabled');
-		}
+		this.trace('change#_changing autoupdate is disabled');
 		return;
 	}
 	if (this.settings._debug) {
 		traceTimeStart('change#_changing');
-		trace('change#_changing [start]');
+		this.trace('change#_changing [start]');
 	}
 	const handleChange = () => {
 		this._changedTimeout = null;
 		this.el.dispatchEvent(new Event('changed'));
 	};
 	if (this.settings.change_timeout > 0) {
-		if (this.settings._debug) {
-			trace('change#setting timeout', this.settings.change_timeout)
-		}
+		this.trace('change#setting timeout', this.settings.change_timeout)
 		if (this._changedTimeout != null) {
 			clearTimeout(this._changedTimeout);
 		}
@@ -753,9 +705,7 @@ CodeMirrorDiffView.prototype._changing = function() {
 };

 CodeMirrorDiffView.prototype.setChanges = function(changes) {
-	if (this.settings._debug) {
-		trace('change#setChanges');
-	}
+	this.trace('change#setChanges');
 	this._clear();
 	// after clear, set the new changes
 	this.changes = changes;
@@ -765,7 +715,7 @@ CodeMirrorDiffView.prototype.setChanges = function(changes) {
 CodeMirrorDiffView.prototype._renderChanges = function() {
 	if (this.settings._debug) {
 		traceTimeStart('draw#_renderChanges');
-		trace('draw#_renderChanges [start]', this.changes.length, 'changes');
+		this.trace('draw#_renderChanges [start]', this.changes.length, 'changes');
 	}
 	this._clearCanvases();
 	this._calculateOffsets(this.changes);
@@ -1093,12 +1043,9 @@ CodeMirrorDiffView.prototype._renderDiff = function(changes) {
 	const ctx_lhs = mcanvas_lhs.getContext('2d');
 	const ctx_rhs = mcanvas_rhs.getContext('2d');

-	if (this.settings._debug
-		&& this.settings._debug) {
-		trace('draw#_renderDiff', 'visible page height', ex.visible_page_height);
-		trace('draw#_renderDiff', 'scroller-top lhs', ex.lhs_scroller.scrollTop);
-		trace('draw#_renderDiff', 'scroller-top rhs', ex.rhs_scroller.scrollTop);
-	}
+	this.trace('draw#_renderDiff', 'visible page height', ex.visible_page_height);
+	this.trace('draw#_renderDiff', 'scroller-top lhs', ex.lhs_scroller.scrollTop);
+	this.trace('draw#_renderDiff', 'scroller-top rhs', ex.rhs_scroller.scrollTop);

 	ex.lhs_margin.removeEventListener('click', this._handleLhsMarginClick);
 	ex.rhs_margin.removeEventListener('click', this._handleRhsMarginClick);
@@ -1123,17 +1070,16 @@ CodeMirrorDiffView.prototype._renderDiff = function(changes) {
 		const rhs_y_end = change['rhs-y-end'] - rhsScrollTop;

 		if (Number.isNaN(lhs_y_start)) {
-			trace('draw#_renderDiff', 'unexpected NaN',
-				change['lhs-y-start'], change['lhs-y-end']);
+			this.trace(
+				'draw#_renderDiff unexpected NaN',
+				change['lhs-y-start'], change['lhs-y-end']
+			);
 			continue;
 		}

 		// draw margin indicators
-		if (this.settings._debug
-			&& this.settings._debug) {
-			trace('draw#_renderDiff', 'draw1', 'marker',
-				lhs_y_start, lhs_y_end, rhs_y_start, rhs_y_end);
-		}
+		this.trace('draw#_renderDiff', 'draw1', 'marker',
+			lhs_y_start, lhs_y_end, rhs_y_start, rhs_y_end);

 		const mkr_lhs_y_start = change['lhs-y-start'] * lratio;
 		const mkr_lhs_y_end = Math.max(change['lhs-y-end'] * lratio, 5);
@@ -1262,4 +1208,10 @@ CodeMirrorDiffView.prototype._queryElement = function(selector) {
 	return this[cacheName];
 }

+CodeMirrorDiffView.prototype.trace = function(...args) {
+	if (this.settings._debug) {
+		console.log(...args);
+	}
+}
+
 module.exports = CodeMirrorDiffView;
--- a/src/diff.js
+++ b/src/diff.js
@@ -146,7 +146,7 @@ diff.prototype._sms = function(lhs_ctx, lhs_lower, lhs_upper, rhs_ctx, rhs_lower
 			}
 		}
 		// Extend the reverse path.
-		for (k = kup - d; k <= kup + d; k += 2) {
+		for (let k = kup - d; k <= kup + d; k += 2) {
 			// find the only or better starting point
 			if (k === kup + d) {
 				x = vector_u[offset_up + k - 1]; // up
--- a/src/mergely.js
+++ b/src/mergely.js
@@ -23,7 +23,8 @@ const defaultOptions = {
 	vpcolor: 'rgba(0, 0, 200, 0.5)',
 	license: 'lgpl',
 	cmsettings: {
-		styleSelectedText: true
+		styleSelectedText: true,
+		mode: null
 	},
 	lhs_cmsettings: {},
 	rhs_cmsettings: {},
--- a/test/mergely.spec.js
+++ b/test/mergely.spec.js
@@ -22,7 +22,8 @@ const defaultOptions = {
 	vpcolor: 'rgba(0, 0, 200, 0.5)',
 	license: 'lgpl',
 	cmsettings: {
-		styleSelectedText: true
+		styleSelectedText: true,
+		mode: null
 	},
 	_debug: false
 };
Author	SHA1	Message	Date
Jamie Peabody	3f4e89ae0c	fix: trace only when debug enabled	2024-05-06 08:38:12 +01:00
semantic-release-bot	4bd19c6e2e	chore(release): 5.1.1 [skip ci] ## [5.1.1](https://github.com/wickedest/Mergely/compare/v5.1.0...v5.1.1) (2024-03-11) ### Bug Fixes * #183: fixes undefined 'k' due to scoped 'let' ([`02e383d`](`02e383d94d`))	2024-03-11 19:46:42 +00:00
Jamie Peabody	02e383d94d	fix(#183 ): fixes undefined 'k' due to scoped 'let'	2024-03-11 19:45:47 +00:00
dependabot[bot]	b09671febe	build(deps-dev): bump @babel/traverse from 7.21.4 to 7.23.2 (#181 ) Bumps [@babel/traverse](https://github.com/babel/babel/tree/HEAD/packages/babel-traverse) from 7.21.4 to 7.23.2. - [Release notes](https://github.com/babel/babel/releases) - [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md) - [Commits](https://github.com/babel/babel/commits/v7.23.2/packages/babel-traverse) --- updated-dependencies: - dependency-name: "@babel/traverse" dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-03-11 19:40:31 +00:00
dependabot[bot]	1702bd6e0a	build(deps-dev): bump postcss from 8.4.21 to 8.4.31 (#180 ) Bumps [postcss](https://github.com/postcss/postcss) from 8.4.21 to 8.4.31. - [Release notes](https://github.com/postcss/postcss/releases) - [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md) - [Commits](https://github.com/postcss/postcss/compare/8.4.21...8.4.31) --- updated-dependencies: - dependency-name: postcss dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-03-11 19:40:09 +00:00
semantic-release-bot	5e4dfc9e78	chore(release): 5.1.0 [skip ci] # [5.1.0](https://github.com/wickedest/Mergely/compare/v5.0.4...v5.1.0) (2023-08-27) ### Features * support CM modes: go, javascript, htmlmixed, markdown, python ([`827487a`](`827487a598`))	2023-08-27 13:04:50 +00:00
Jamie Peabody	827487a598	feat: support CM modes: go, javascript, htmlmixed, markdown, python	2023-08-27 14:03:41 +01:00
semantic-release-bot	bc46617d5e	chore(release): 5.0.4 [skip ci] ## [5.0.4](https://github.com/wickedest/Mergely/compare/v5.0.3...v5.0.4) (2023-08-27) ### Bug Fixes * updated CDN example ([`dec1e95`](`dec1e9509d`))	2023-08-27 12:17:49 +00:00
Jamie Peabody	dec1e9509d	fix: updated CDN example	2023-08-27 13:16:11 +01:00
semantic-release-bot	0733f3a6c6	chore(release): 5.0.3 [skip ci] ## [5.0.3](https://github.com/wickedest/Mergely/compare/v5.0.2...v5.0.3) (2023-08-27) ### Bug Fixes * Updated docs with CDN example ([`254adf1`](`254adf15ab`))	2023-08-27 10:55:22 +00:00
Jamie Peabody	254adf15ab	fix: Updated docs with CDN example	2023-08-27 11:53:55 +01:00
Jamie Peabody	a07073a13c	docs: Updated docs with CDN example	2023-08-27 11:50:00 +01:00
dependabot[bot]	3facfec6b7	build(deps): bump socket.io-parser from 4.2.2 to 4.2.3 (#177 ) Bumps [socket.io-parser](https://github.com/socketio/socket.io-parser) from 4.2.2 to 4.2.3. - [Release notes](https://github.com/socketio/socket.io-parser/releases) - [Changelog](https://github.com/socketio/socket.io-parser/blob/main/CHANGELOG.md) - [Commits](https://github.com/socketio/socket.io-parser/compare/4.2.2...4.2.3) --- updated-dependencies: - dependency-name: socket.io-parser dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2023-08-27 11:41:03 +01:00
Jamie Peabody	2b561c1856	chore(doc): Update CDN example	2023-08-27 11:38:38 +01:00
dependabot[bot]	cd09815b7d	build(deps): bump engine.io from 6.4.1 to 6.4.2 (#176 ) Bumps [engine.io](https://github.com/socketio/engine.io) from 6.4.1 to 6.4.2. - [Release notes](https://github.com/socketio/engine.io/releases) - [Changelog](https://github.com/socketio/engine.io/blob/main/CHANGELOG.md) - [Commits](https://github.com/socketio/engine.io/compare/6.4.1...6.4.2) --- updated-dependencies: - dependency-name: engine.io dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2023-05-04 22:42:42 +01:00
semantic-release-bot	cb46821103	chore(release): 5.0.2 [skip ci] ## [5.0.2](https://github.com/wickedest/Mergely/compare/v5.0.1...v5.0.2) (2023-04-24) ### Bug Fixes * scroll: fixed issue where first rhs scroll was unlinked ([`7b2040c`](`7b2040c6ad`))	2023-04-24 07:51:30 +00:00
Jamie Peabody	7b2040c6ad	fix(scroll): fixed issue where first rhs scroll was unlinked	2023-04-24 08:50:14 +01:00
Jamie Peabody	df7d23244b	chore: fix changelog	2023-04-23 21:50:20 +01:00
semantic-release-bot	a6751b5957	chore(release): 5.0.1 [skip ci] ## [5.0.1](https://github.com/wickedest/Mergely/compare/v5.0.0...v5.0.1) (2023-04-23) ### Bug Fixes * update release ([`a8b497b`](`a8b497bc9b`))	2023-04-23 20:44:06 +00:00
Jamie Peabody	a8b497bc9b	fix: update release	2023-04-23 21:42:58 +01:00
Jamie Peabody	166446c945	chore(ci): fixed branch name	2023-04-23 17:01:29 +01:00
Jamie Peabody	caff902c99	chore(ci): fix release (#175 )	2023-04-23 16:54:56 +01:00
Jamie Peabody	37fedd05c8	v5.0 (#174 ) * feat: v5 BREAKING CHANGE: Mergely is no longer a jQuery plugin. BREAKING CHANGE: Removed `options.autoresize` BREAKING CHANGE: Removed `options.editor_width` BREAKING CHANGE: Removed `options.editor_height` BREAKING CHANGE: Removed `options.fadein` BREAKING CHANGE: Removed `options.fgcolor` BREAKING CHANGE: Removed `options.resize` BREAKING CHANGE: Removed `options.width` BREAKING CHANGE: Removed `options.height` BREAKING CHANGE: Removed `options.loaded` callback BREAKING CHANGE: Removed `options.resized` callback BREAKING CHANGE: Removed styles `.mergely-resizer`, `.mergely-full-screen-0`, and `.mergely-full-screen-8` BREAKING CHANGE: Changed default for `options.change_timeout` changed from `150` to `50`. BREAKING CHANGE: No longer automatically scrolls to first change. feat: CodeMirror is now an explicit dependency. feat: No longer necessary to separately require codemirror/addon/search/searchcursor feat: No longer necessary to separately require codemirror/addon/selection/mark-selection feat: `mergely.js` is now unminimized, and added new minimized version `mergely.min.js` feat: Gutter click now scrolls to any line feat: Mergely now emits `resize` event on resize feat: The UI is now non-blocking as diff now runs in background feat: Added support to provide `options.lhs` and `options.rhs` as strings feat: #16 added titles to editor.mergely.com fix: #165 block of changes at end of file are now distinguishable fix: #140 fixed performance issue with large files fix: Fixed issue where canvas markup was not rendered when `viewport` enabled fix: Fixed timing issue where swap sides may not work as expected. fix: Fixed issue where unmarkup did not emit an updated event. fix: Fixed documentation issue where `merge` incorrectly stated: from the specified `side` to the opposite side. fix: Fixed performance issue scrolling fix: Fixed issue where initial render scrolled to first change, showing it at the bottom (as opposed to middle as expected) fix: Fixed issue where line-diffs failed to diff non-alphanumeric characters * chore: tweaked no-start/end styles * feat: dark mode * chore: updated examples * chore(ci): updated webpack * chore(ci): alpha, beta, next branches * chore(ci): test * chore(ci): package-lock.json * chore(ci): ignore alpha, beta, next on branch * fix: fixes firefox scroll-linked effect issue * fix: fixes firefox scroll-linked effect issue * chore: fix css * chore: debug	2023-04-23 16:29:59 +01:00