ummm .. beta

OK, did that all back to front... alpha is when we're working on the diffs .. beta is when we finished it
69-alpha, fixes #766
2025-09-01 17:38:30 +02:00 · 2019-09-04 21:40:04 +00:00 · 2019-09-04 21:36:50 +00:00 · 2019-09-04 01:40:33 +12:00 · 2019-09-03 03:34:16 +00:00 · 2019-09-02 07:07:50 +00:00
17 changed files with 1627 additions and 1416 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -1,14 +1,16 @@
-## * text=auto
+* text=auto

-*.js text=auto
-*.md text=auto
-*.yml text=auto
-*.txt text=auto
-*.sh text=auto
-*.bat eol=crlf
+*.js text
+*.md text
+*.yml text
+*.txt text
+*.sh text
+## *.bat text eol=crlf
+*.bat -text

 *.png binary

 .gitattributes export-ignore
 *.yml export-ignore
-wikipiki export-ignore
+/wikipiki export-ignore
+/.github export-ignore
--- a/.github/ISSUE_TEMPLATE/tools.md
+++ b/.github/ISSUE_TEMPLATE/tools.md
@ -0,0 +1,18 @@
+---
+name: Tools
+about: Report issues with the updaters, the troubleshooter, or any other tools.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- 
+Please specify: 
+  - the name of the file (i.e. updater.bat, updater.sh)
+  - steps to reproduce the issue
+  - actual result
+  - expected result
+  
+Blank out this field before typing, or start typing after the next line.
+-->
--- a/.github/ISSUE_TEMPLATE/troubleshooting-help.md
+++ b/.github/ISSUE_TEMPLATE/troubleshooting-help.md
@ -0,0 +1,29 @@
+---
+name: Troubleshooting help
+about: Ask for help to solve problems with user.js
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Before you proceed...
+  - Keep reading this. Seriously.
+  - Note that we do not support forks (i.e. IceCat, Pale Moon, WaterFox, etc).
+  - Make sure you searched for the `[Setup` tags in the `user.js`.
+  - Search the GitHub repository. The information you need is most likely here already.
+  - Check out our [troubleshooting](https://github.com/ghacksuserjs/ghacks-user.js/wiki/1.4-Troubleshooting) wiki page, including steps to see if the problem is caused by the `user.js` or an extension.
+
+See also:
+  - Extension breakage due to prefs [issue 391](https://github.com/ghacksuserjs/ghacks-user.js/issues/391)
+  - Prefs vs Recommended Extensions: Co-Existance+Enhancement | Conflicts [issue 350](https://github.com/ghacksuserjs/ghacks-user.js/issues/350)
+  - The extension CSP header modification game [issue 664](https://github.com/ghacksuserjs/ghacks-user.js/issues/664)
+
+If you still need help, help us help you by providing relevant information:
+  - browser version
+  - Steps to Reproduce (STR)
+  - actual result
+  - expected result
+  - anything else you deem worth mentioning
+
+Clear all of this when you're ready to type.
--- a/.github/ISSUE_TEMPLATE/user-js.md
+++ b/.github/ISSUE_TEMPLATE/user-js.md
@ -0,0 +1,15 @@
+---
+name: user.js
+about: Suggest changes to user.js
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+We value feedback in general, but we value feedback from informed users more. There is no need for you to be an expert to participate (most of us aren't), but we hope that you at least understand our decisions before questioning them. We discuss all changes openly, and we do not make changes lightly. So, if you don't understand why we decided to add/remove/change a certain pref, search the repo. The answer is most certainly here.
+
+If some change we made took you by surprise (in the wrong way), remember that keeping track of changes is your responsibility. Watch the repo, read the [changelogs](https://github.com/ghacksuserjs/ghacks-user.js/issues?utf8=✓&q=is%3Aissue+label%3Achangelog), compare [releases](https://github.com/ghacksuserjs/ghacks-user.js/releases) as you update your copy of user.js, or use any other method you prefer.
+
+Clear all of this when you're ready to type.
+
--- a/README.md
+++ b/README.md
@ -1,21 +1,27 @@
-### ![](https://github.com/ghacksuserjs/ghacks-user.js/blob/master/wikipiki/bullet01.png) user.js
+### ![][b] user.js
 A `user.js` is a configuration file that can control hundreds of Firefox settings. For a more technical breakdown and explanation, you can read more on the [overview](https://github.com/ghacksuserjs/ghacks-user.js/wiki/1.1-Overview) wiki page.

-### ![](https://github.com/ghacksuserjs/ghacks-user.js/blob/master/wikipiki/bullet01.png) ghacks user.js
-The `ghacks user.js` is a **template**, which, as provided, aims to provide as much privacy and enhanced security as possible, and to reduce tracking and fingerprinting as much as possible - while minimizing any loss of functionality and breakage (but it will happen).
+### ![][b] ghacks user.js
+The `ghacks user.js` is a **template** which aims to provide as much privacy and enhanced security as possible, and to reduce tracking and fingerprinting as much as possible - while minimizing any loss of functionality and breakage (but it will happen).

 Everyone, experts included, should at least read the [implementation](https://github.com/ghacksuserjs/ghacks-user.js/wiki/1.3-Implementation) wiki page, as it contains important information regarding a few `ghacks user.js` settings.

+Note that we do *not* recommend connecting over Tor on Firefox. Use the [Tor Browser](https://www.torproject.org/projects/torbrowser.html.en) if your [threat model](https://www.torproject.org/about/torusers.html.en) calls for it, or for accessing hidden services. 
+
+Also be aware that this `user.js` is made specifically for Firefox. Using it as-is in other Gecko-based browsers can be counterproductive, especially in the Tor Browser.
+
 Sitemap: [Releases](https://github.com/ghacksuserjs/ghacks-user.js/releases), [changelogs](https://github.com/ghacksuserjs/ghacks-user.js/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Achangelog), [Wiki](https://github.com/ghacksuserjs/ghacks-user.js/wiki), [stickies](https://github.com/ghacksuserjs/ghacks-user.js/issues?q=is%3Aissue+is%3Aopen+label%3A%22sticky+topic%22). [diffs](https://github.com/ghacksuserjs/ghacks-user.js/issues?q=is%3Aissue+label%3Adiffs)

-### ![](https://github.com/ghacksuserjs/ghacks-user.js/blob/master/wikipiki/bullet01.png) acknowledgments
+### ![][b] acknowledgments
 Literally thousands of sources, references and suggestions. That said...

 * Martin Brinkmann at [ghacks](https://www.ghacks.net/) <sup>1</sup>
 * The ghacks community and commentators
-* [12bytes](http://12bytes.org/tech/firefox/firefoxgecko-configuration-guide-for-privacy-and-performance-buffs)
-   * The 12bytes article now uses this user.js and supplements it with an additonal JS hosted right [here](https://github.com/atomGit/Firefox-user.js) at github
+* [12bytes](https://12bytes.org/articles/tech/firefox/firefoxgecko-configuration-guide-for-privacy-and-performance-buffs)
+   * The 12bytes article now uses this user.js and supplements it with an additional JS hosted at [GitLab](https://gitlab.com/labwrat/Firefox-user.js/tree/master)

 <sup>1</sup> The ghacks user.js was an independent project by [Thorin-Oakenpants](https://github.com/Thorin-Oakenpants) started in early 2015 and was [first published](https://www.ghacks.net/2015/08/18/a-comprehensive-list-of-firefox-privacy-and-security-settings/) at ghacks in August 2015. With Martin Brinkmann's blessing, it will keep the ghacks name.

-### ![](https://github.com/ghacksuserjs/ghacks-user.js/blob/master/wikipiki/bullet01.png) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+### ![][b] [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+
+[b]: /wikipiki/bullet01.png
--- a/_config.yml
+++ b/_config.yml
@ -1 +1,3 @@
 theme: jekyll-theme-midnight
+title: ghacks-user.js
+description: An ongoing comprehensive user.js template for configuring and hardening Firefox privacy, security and anti-fingerprinting
--- a/prefsCleaner.bat
+++ b/prefsCleaner.bat
@ -3,7 +3,9 @@ TITLE prefs.js cleaner

 REM ### prefs.js cleaner for Windows
 REM ## author: @claustromaniac
-REM ## version: 2.1
+REM ## version: 2.2
+
+CD /D "%~dp0"

 :begin
 ECHO:
@ -11,7 +13,7 @@ ECHO:
 ECHO                 ########################################
 ECHO                 ####  prefs.js cleaner for Windows  ####
 ECHO                 ####        by claustromaniac       ####
-ECHO                 ####              v2.1              ####
+ECHO                 ####              v2.2              ####
 ECHO                 ########################################
 ECHO:
 CALL :message "This script should be run from your Firefox profile directory."
--- a/scratchpad-scripts/ghacks-clear-FF60inclusive-[deprecated].js
+++ b/scratchpad-scripts/ghacks-clear-FF60inclusive-[deprecated].js
@ -36,7 +36,8 @@
    'camera.control.face_detection.enabled',
    'dom.disable_window_status_change',
    'dom.idle-observers-api.enabled',
-    /* 58 : nothing */
+    /* 58 */
+    'browser.crashReports.unsubmittedCheck.autoSubmit',
    /* 57 */
    'social.whitelist',
    'social.toast-notifications.enabled',
--- a/scratchpad-scripts/ghacks-clear-[removed].js
+++ b/scratchpad-scripts/ghacks-clear-[removed].js
@ -1,7 +1,7 @@
 /***
 This will reset the preferences that have been removed completely from the ghacks user.js.

- Last updated: 27-May-2018
+ Last updated: 01-September-2019

 For instructions see:
 https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.1-Resetting-Inactive-Prefs-[Scripts]
@ -90,13 +90,122 @@
    'browser.laterrun.enabled',
    'browser.offline-apps.notify',
    'browser.rights.3.shown',
-    'browser.slowStartup.maxSamples'
+    'browser.slowStartup.maxSamples',
    'browser.slowStartup.notificationDisabled',
    'browser.slowStartup.samples',
+    'browser.storageManager.enabled',
    'dom.allow_scripts_to_close_windows',
    'dom.disable_window_flip',
    'network.http.fast-fallback-to-IPv4',
    'offline-apps.quota.warn',
+    'services.blocklist.signing.enforced',
+    /* 62-beta */
+    'browser.urlbar.autoFill.typed',
+    'security.tls.version.fallback-limit',
+    /* 63-beta */
+    'extensions.webextensions.keepStorageOnUninstall',
+    'extensions.webextensions.keepUuidOnUninstall',
+    'privacy.trackingprotection.ui.enabled',
+    /* 64-beta */
+    'browser.eme.ui.enabled',
+    'browser.sessionstore.max_windows_undo',
+    'network.auth.subresource-img-cross-origin-http-auth-allow',
+    'media.peerconnection.ice.tcp',
+    'media.peerconnection.identity.enabled',
+    'media.peerconnection.identity.timeout',
+    'media.peerconnection.turn.disable',
+    'media.peerconnection.use_document_iceservers',
+    'media.peerconnection.video.enabled',
+    'media.navigator.video.enabled',
+    /* 65-beta */
+    'browser.contentblocking.enabled',
+    'browser.urlbar.maxHistoricalSearchSuggestions',
+    /* 67-beta */
+    'app.update.service.enabled',
+    'app.update.silent',
+    'app.update.staging.enabled',
+    'browser.cache.disk.capacity',
+    'browser.cache.disk.smart_size.enabled',
+    'browser.cache.disk.smart_size.first_run',
+    'browser.cache.offline.insecure.enable',
+    'browser.safebrowsing.downloads.remote.url',
+    'browser.safebrowsing.provider.google.reportMalwareMistakeURL',
+    'browser.safebrowsing.provider.google.reportPhishMistakeURL',
+    'browser.safebrowsing.provider.google.reportURL',
+    'browser.safebrowsing.provider.google4.dataSharing.enabled',
+    'browser.safebrowsing.provider.google4.dataSharingURL',
+    'browser.safebrowsing.provider.google4.reportMalwareMistakeURL',
+    'browser.safebrowsing.provider.google4.reportPhishMistakeURL',
+    'browser.safebrowsing.provider.google4.reportURL',
+    'browser.safebrowsing.reportPhishURL',
+    'browser.sessionhistory.max_total_viewers',
+    'browser.urlbar.filter.javascript',
+    'canvas.capturestream.enabled',
+    'dom.imagecapture.enabled',
+    'dom.popup_maximum',
+    'gfx.offscreencanvas.enabled',
+    'javascript.options.shared_memory',
+    'media.gmp-gmpopenh264.autoupdate',
+    'media.gmp-gmpopenh264.enabled',
+    'media.gmp-manager.updateEnabled',
+    'media.gmp-manager.url',
+    'media.gmp-manager.url.override',
+    'media.gmp.trial-create.enabled',
+    'media.gmp-widevinecdm.autoupdate',
+    'network.cookie.leave-secure-alone',
+    'network.cookie.same-site.enabled',
+    'network.dnsCacheEntries',
+    'network.dnsCacheExpiration',
+    'network.proxy.autoconfig_url.include_path',
+    'pdfjs.enableWebGL',
+    'plugin.default.state',
+    'plugin.defaultXpi.state',
+    'plugin.scan.plid.all',
+    'security.data_uri.block_toplevel_data_uri_navigations',
+    'security.insecure_field_warning.contextual.enabled',
+    'security.insecure_password.ui.enabled',
+    'signon.autofillForms.http',
+    'signon.storeWhenAutocompleteOff',
+    'xpinstall.whitelist.required',
+    /* 67-beta: Blocklist, SB & TP cleanup: these were all inactive */
+    'browser.safebrowsing.downloads.enabled',
+    'browser.safebrowsing.downloads.remote.block_dangerous',
+    'browser.safebrowsing.downloads.remote.block_dangerous_host',
+    'browser.safebrowsing.downloads.remote.block_potentially_unwanted',
+    'browser.safebrowsing.downloads.remote.block_uncommon',
+    'browser.safebrowsing.blockedURIs.enabled',
+    'browser.safebrowsing.malware.enabled',
+    'browser.safebrowsing.phishing.enabled',
+    'browser.safebrowsing.provider.google.gethashURL',
+    'browser.safebrowsing.provider.google.updateURL',
+    'browser.safebrowsing.provider.google4.gethashURL',
+    'browser.safebrowsing.provider.google4.updateURL',
+    'browser.safebrowsing.provider.mozilla.gethashURL',
+    'browser.safebrowsing.provider.mozilla.updateURL',
+    'browser.urlbar.userMadeSearchSuggestionsChoice',
+    'privacy.trackingprotection.annotate_channels',
+    'privacy.trackingprotection.enabled',
+    'privacy.trackingprotection.lower_network_priority',
+    'privacy.trackingprotection.pbmode.enabled',
+    'services.blocklist.addons.collection',
+    'services.blocklist.gfx.collection',
+    'services.blocklist.onecrl.collection',
+    'services.blocklist.plugins.collection',
+    'services.blocklist.update_enabled',
+    'urlclassifier.trackingTable',
+    /* 68-beta */
+    'dom.forms.datetime',
+    'font.blacklist.underline_offset',
+    'font.name.monospace.x-unicode',
+    'font.name.monospace.x-western',
+    'font.name.sans-serif.x-unicode',
+    'font.name.sans-serif.x-western',
+    'font.name.serif.x-unicode',
+    'font.name.serif.x-western',
+    'layout.css.font-loading-api.enabled',
+    'toolkit.telemetry.cachedClientID',
+    /* 69-beta */
+    'plugin.sessionPermissionNow.intervalInMinutes',
    /* reset parrot: check your open about:config after running the script */
    '_user.js.parrot'
  ]
--- a/scratchpad-scripts/troubleshooter.js
+++ b/scratchpad-scripts/troubleshooter.js
@ -1,5 +1,5 @@

-/*** ghacks-user.js troubleshooter.js v1.5 ***/
+/*** ghacks-user.js troubleshooter.js v1.5.2 ***/

 (function() {

@ -82,7 +82,6 @@
    'dom.push.enabled',
    'dom.push.serverURL',
    'dom.serviceWorkers.enabled',
-    'dom.workers.enabled',
    'dom.webnotifications.enabled',
    'dom.webnotifications.serviceworker.enabled',

@ -116,6 +115,7 @@
    /* Audio + Video */
    'dom.webaudio.enabled',
    'media.autoplay.enabled',
+    'media.autoplay.default', // FF63+

    /* Forms */
    'browser.formfill.enable',
@ -125,7 +125,6 @@
    /* HTTPS */
    'security.cert_pinning.enforcement_level',
    'security.family_safety.mode',
-    'security.mixed_content.use_hsts',
    'security.OCSP.require',
    'security.pki.sha1_enforcement_level',
    'security.ssl.require_safe_negotiation',
@ -152,7 +151,7 @@
    'dom.popup_maximum',
    'layout.css.visited_links_enabled',
    'mathml.disabled',
-    'network.auth.subresource-img-cross-origin-http-auth-allow',
+    'network.auth.subresource-http-auth-allow',
    'network.http.redirection-limit',
    'network.protocol-handler.external.ms-windows-store',
    'privacy.trackingprotection.enabled',
--- a/updater.bat
+++ b/updater.bat
@ -3,11 +3,16 @@ TITLE ghacks user.js updater

 REM ## ghacks-user.js updater for Windows
 REM ## author: @claustromaniac
-REM ## version: 4.5
+REM ## version: 4.10
 REM ## instructions: https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.3-Updater-Scripts

+SET v=4.10
+
+VERIFY ON
+CD /D "%~dp0"
 SET _myname=%~n0
 SET _myparams=%*
+
 :parse
 IF "%~1"=="" (GOTO endparse)
 IF /I "%~1"=="-unattended" (SET _ua=1)
@ -17,20 +22,26 @@ IF /I "%~1"=="-multioverrides" (SET _multi=1)
 IF /I "%~1"=="-merge" (SET _merge=1)
 IF /I "%~1"=="-updatebatch" (SET _updateb=1)
 IF /I "%~1"=="-singlebackup" (SET _singlebackup=1)
+IF /I "%~1"=="-esr" (SET _esr=1)
+IF /I "%~1"=="-rfpalts" (SET _rfpalts=1)
 SHIFT
 GOTO parse
 :endparse
+
 IF DEFINED _updateb (
 	REM The normal flow here goes from phase 1 to phase 2 and then phase 3.
 	IF NOT "!_myname:~0,9!"=="[updated]" (
 		IF EXIST "[updated]!_myname!.bat" (
 			REM ## Phase 3 ##: The new script, with the original name, will:
-			REM 	* Delete the [updated]*.bat script
+			REM 	* Delete the [updated]*.bat and *.bat.old scripts
 			REM 	* Begin the normal routine
-			REN "[updated]!_myname!.bat" "[updated]!_myname!.bat.old"
-			DEL /F "[updated]!_myname!.bat.old"
-			CALL :message "Script updated^!"
+			FC "[updated]!_myname!.bat" "!_myname!.bat.old" >nul
+			IF NOT "!errorlevel!"=="0" (
+				CALL :message "Script updated to version !v!"
 				TIMEOUT 3 >nul
+			)
+			REN "[updated]!_myname!.bat" "[updated]!_myname!.bat.old"
+			DEL /F "!_myname!.bat.old" "[updated]!_myname!.bat.old"
 			GOTO begin
 		)
 		REM ## Phase 1 ##
@ -38,10 +49,10 @@ IF DEFINED _updateb (
 		REM 	* Start that script in a new CMD window
 		REM 	* Exit
 		CALL :message "Updating script..."
-		REM Uncomment the next line and comment the powershell call for testing.
-		REM COPY /B /V /Y "!_myname!.bat" "[updated]!_myname!.bat"
+		REM Uncomment the next line and comment out the PowerShell call for testing.
+		REM COPY /B /Y "!_myname!.bat" "[updated]!_myname!.bat" >nul
 		(
-			powershell -Command "(New-Object Net.WebClient).DownloadFile('https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.bat', '[updated]!_myname!.bat')"
+			PowerShell -Command "(New-Object Net.WebClient).DownloadFile('https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.bat', '[updated]!_myname!.bat')"
 		) >nul 2>&1
 		IF EXIST "[updated]!_myname!.bat" (
 			START /min CMD /C "[updated]!_myname!.bat" !_myparams!
@ -55,19 +66,17 @@ IF DEFINED _updateb (
 			TIMEOUT 300 >nul
 		) ELSE (
 			REM ## Phase 2 ##: The [updated]*.bat script will:
-			REM 	* Copy itself overwriting the original batch
-			REM 	* Start that script in a new CMD instance
+			REM 	* Rename the old script and make a copy of itself with the original name.
+			REM 	* Run that copy in a new CMD instance
 			REM 	* Exit
-			IF EXIST "!_myname:~9!.bat" (
-				REN "!_myname:~9!.bat" "!_myname:~9!.bat.old"
-				DEL /F "!_myname:~9!.bat.old"
-			)
-			COPY /B /V /Y "!_myname!.bat" "!_myname:~9!.bat"
+			IF EXIST "!_myname:~9!.bat" ( REN "!_myname:~9!.bat" "!_myname:~9!.bat.old" )
+			COPY /B /Y "!_myname!.bat" "!_myname:~9!.bat"
 			START CMD /C "!_myname:~9!.bat" !_myparams!
 		)
 	)
 	EXIT /B
 )
+
 :begin
 CLS
 ECHO:
@ -75,7 +84,7 @@ ECHO:
 ECHO:                ########################################
 ECHO:                ####  user.js Updater for Windows   ####
 ECHO:                ####       by claustromaniac        ####
-ECHO:                ####             v4.5               ####
+ECHO:                ####             v!v!              ####
 ECHO:                ########################################
 ECHO:
 SET /A "_line=0"
@ -121,26 +130,34 @@ IF DEFINED _log (
 IF EXIST user.js.new (DEL /F "user.js.new")
 CALL :message "Retrieving latest user.js file from github repository..."
 (
-	powershell -Command "(New-Object Net.WebClient).DownloadFile('https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js', 'user.js.new')"
+	PowerShell -Command "(New-Object Net.WebClient).DownloadFile('https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js', 'user.js.new')"
 ) >nul 2>&1
 IF EXIST user.js.new (
+	IF DEFINED _rfpalts (
+		CALL :message "Activating RFP Alternatives section..."
+		CALL :activate user.js.new "[SETUP-non-RFP]"
+	)
+	IF DEFINED _esr (
+		CALL :message "Activating ESR section..."
+		CALL :activate user.js.new ".x still uses all the following prefs"
+	)
 	IF DEFINED _multi (
 		FORFILES /P user.js-overrides /M *.js >nul 2>&1
 		IF NOT ERRORLEVEL 1 (
 			IF DEFINED _merge (
 				CALL :message "Merging..."
-				COPY /B /V /Y user.js-overrides\*.js user-overrides-merged.js
+				COPY /B /Y user.js-overrides\*.js user-overrides-merged.js
 				CALL :merge user-overrides-merged.js
-				COPY /B /V /Y user.js.new+user-overrides-merged.js user.js.new
+				COPY /B /Y user.js.new+user-overrides-merged.js user.js.new
 				CALL :merge user.js.new
 			) ELSE (
 				CALL :message "Appending..."
-				COPY /B /V /Y user.js.new+"user.js-overrides\*.js" user.js.new
+				COPY /B /Y user.js.new+"user.js-overrides\*.js" user.js.new
 			)
 		) ELSE (CALL :message "No override files found.")
 	) ELSE (
 		IF EXIST "user-overrides.js" (
-			COPY /B /V /Y user.js.new+"user-overrides.js" "user.js.new"
+			COPY /B /Y user.js.new+"user-overrides.js" "user.js.new"
 			IF DEFINED _merge (
 				CALL :message "Merging user-overrides.js..."
 				CALL :merge user.js.new
@ -169,6 +186,7 @@ IF EXIST user.js.new (
 		) ELSE (
 			REN user.js.new user.js
 			CALL :message "Update complete."
+			SET "_changed=true"
 		)
 	)
 ) ELSE (
@ -176,11 +194,19 @@ IF EXIST user.js.new (
 	ECHO:  No changes were made.
 )
 IF NOT DEFINED _log (
-	IF NOT DEFINED _ua (PAUSE)
+	IF NOT DEFINED _ua (
+		IF EXIST prefsCleaner.bat (
+			IF "!_changed!"=="true" (
+				CALL :message "Would you like to run the prefsCleaner now?"
+				CHOICE /C YN /N /M "(Y/N) "
+				IF "1"=="!errorlevel!" ( START "" cmd.exe /C "prefsCleaner.bat" )
+			) ELSE (PAUSE)
+		) ELSE (PAUSE)
+	)
 )
 EXIT /B

-REM ########### Message Function ###########
+::::::::::::::: Message :::::::::::::::
 :message
 SETLOCAL DisableDelayedExpansion
 IF NOT "2"=="%_log%" (ECHO:)
@ -188,7 +214,29 @@ ECHO:  %~1
 IF NOT "2"=="%_log%" (ECHO:)
 ENDLOCAL
 GOTO :EOF
-REM ############ Merge function ############
+
+::::::::::::::: Activate Section :::::::::::::::
+:activate
+:: arg1 = file
+:: arg2 = line substring
+SETLOCAL DisableDelayedExpansion
+(
+	FOR /F "tokens=1,* delims=:" %%G IN ('FINDSTR /N "^" "%~1"') DO (
+		SET "_temp=%%H"
+		SETLOCAL EnableDelayedExpansion
+		IF "!_temp:%~2=!"=="!_temp!" (
+			ENDLOCAL & ECHO:%%H
+		) ELSE (
+			ECHO://!_temp:~2!
+			ENDLOCAL
+		)
+	)
+)>updatertempfile
+MOVE /Y updatertempfile "%~1" >nul
+ENDLOCAL
+GOTO :EOF
+
+::::::::::::::: Merge :::::::::::::::
 :merge
 SETLOCAL DisableDelayedExpansion
 FOR /F tokens^=2^,^*^ delims^=^'^" %%G IN ('FINDSTR /R /C:"^user_pref[ 	]*\([ 	]*[\"'].*[\"'][ 	]*,.*\)[ 	]*;" "%~1"') DO (SET "[%%G]=%%H")
@ -226,11 +274,14 @@ FOR /F tokens^=2^,^*^ delims^=^' %%G IN ('FINDSTR /R /C:"^//// --- comment-out -
 MOVE /Y updatertempfile "%~1" >nul
 ENDLOCAL
 GOTO :EOF
-REM ############### Help ##################
+
+::::::::::::::: Help :::::::::::::::
 :showhelp
-MODE 80,46
+MODE 80,54
 CLS
 CALL :message "Available arguments (case-insensitive):"
+CALL :message "  -esr"
+ECHO:     Activate ESR related preferences
 CALL :message "  -log"
 ECHO:     Write the console output to a logfile (user.js-update-log.txt)
 CALL :message "  -logP"
@ -254,10 +305,11 @@ ECHO:     Run without user input.
 CALL :message "  -singleBackup"
 ECHO:     Use a single backup file and overwrite it on new updates, instead of
 ECHO:     cumulative backups. This was the default behaviour before v4.3.
-CALL :message "  -updatebatch"
+CALL :message "  -rfpAlts"
+ECHO:     Activate RFP Alternatives section
+CALL :message "  -updateBatch"
 ECHO:     Update the script itself on execution, before the normal routine.
 CALL :message ""
 PAUSE
 MODE 80,25
 GOTO :begin
-REM #####################################
--- a/updater.sh
+++ b/updater.sh
@ -1,119 +1,427 @@
 #!/usr/bin/env bash

-### ghacks-user.js updater for Mac/Linux
-## author: @overdodactyl
-## version: 1.3
+## ghacks-user.js updater for macOS and Linux

-## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in check_for_update() )
+## version: 2.5
+## Author: Pat Johnson (@overdodactyl)
+## Additional contributors: @earthlng, @ema-pe, @claustromaniac

-ghacksjs="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js"
-updater="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh"
-update_pref=${1:--ask}
+## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in update_updater() )

-currdir=$(pwd)
+readonly CURRDIR=$(pwd)

-## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
 sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
-
-## fallback for Macs without coreutils
 if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi
+readonly SCRIPT_DIR=$(dirname "${sfp}")

-## change directory to the Firefox profile directory
-cd "$(dirname "${sfp}")"

-## Used to check if a new version of updater.sh is available
-update_available="no"
-check_for_update () {
-  online_version="$(curl -s ${updater} | sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p')"
-  path_to_script="$(dirname "${sfp}")/updater.sh"
-  current_version="$(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$path_to_script")"
-  if [[ "$current_version" < "$online_version" ]]; then
-    update_available="yes"
+#########################
+#    Base variables     #
+#########################
+
+# Colors used for printing
+RED='\033[0;31m'
+BLUE='\033[0;34m'
+BBLUE='\033[1;34m'
+GREEN='\033[0;32m'
+ORANGE='\033[0;33m'
+CYAN='\033[0;36m'
+NC='\033[0m' # No Color
+
+# Argument defaults
+UPDATE='check'
+CONFIRM='yes'
+OVERRIDE='user-overrides.js'
+BACKUP='multiple'
+COMPARE=false
+SKIPOVERRIDE=false
+VIEW=false
+PROFILE_PATH=false
+ESR=false
+
+# Download method priority: curl -> wget
+DOWNLOAD_METHOD=''
+if [[ $(command -v 'curl') ]]; then
+  DOWNLOAD_METHOD='curl'
+elif [[ $(command -v 'wget') ]]; then
+  DOWNLOAD_METHOD='wget'
+else
+  echo -e "${RED}This script requires curl or wget.\nProcess aborted${NC}"
+  exit 0
+fi
+
+
+show_banner () {
+  echo -e "${BBLUE}\n"
+  echo '                ############################################################################'
+  echo '                ####                                                                    ####'
+  echo '                ####                           ghacks user.js                           ####'
+  echo '                ####       Hardening the Privacy and Security Settings of Firefox       ####'
+  echo '                ####           Maintained by @Thorin-Oakenpants and @earthlng           ####'
+  echo '                ####            Updater for macOS and Linux by @overdodactyl            ####'
+  echo '                ####                                                                    ####'
+  echo '                ############################################################################'
+  echo -e "${NC}\n"
+  echo -e "Documentation for this script is available here: ${CYAN}https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.3-Updater-Scripts${NC}\n"
+}
+
+#########################
+#      Arguments        #
+#########################
+
+usage() {
+  echo -e "${BLUE}\nUsage: $0 [-h] [-p PROFILE] [-u] [-d] [-s] [-n] [-b] [-c] [-v] [-r] [-e] [-o OVERRIDE]\n${NC}" 1>&2  # Echo usage string to standard error
+  echo 'Optional Arguments:'
+  echo -e "\t-h,\t\t Show this help message and exit."
+  echo -e "\t-p PROFILE,\t Path to your Firefox profile (if different than the dir of this script)"
+  echo -e "\t\t\t IMPORTANT: if the path include spaces, wrap the entire argument in quotes."
+  echo -e "\t-l, \t\t Choose your Firefox profile from a list"
+  echo -e "\t-u,\t\t Update updater.sh and execute silently.  Do not seek confirmation."
+  echo -e "\t-d,\t\t Do not look for updates to updater.sh."
+  echo -e "\t-s,\t\t Silently update user.js.  Do not seek confirmation."
+  echo -e "\t-b,\t\t Only keep one backup of each file."
+  echo -e "\t-c,\t\t Create a diff file comparing old and new user.js within userjs_diffs. "
+  echo -e "\t-o OVERRIDE,\t Filename or path to overrides file (if different than user-overrides.js)."
+  echo -e "\t\t\t If used with -p, paths should be relative to PROFILE or absolute paths"
+  echo -e "\t\t\t If given a directory, all files inside will be appended recursively."
+  echo -e "\t\t\t You can pass multiple files or directories by passing a comma separated list."
+  echo -e "\t\t\t\t Note: If a directory is given, only files inside ending in the extension .js are appended"
+  echo -e "\t\t\t\t IMPORTANT: do not add spaces between files/paths.  Ex: -o file1.js,file2.js,dir1"
+  echo -e "\t\t\t\t IMPORTANT: if any files/paths include spaces, wrap the entire argument in quotes."
+  echo -e "\t\t\t\t\t Ex: -o \"override folder\" "
+  echo -e "\t-n,\t\t Do not append any overrides, even if user-overrides.js exists."
+  echo -e "\t-v,\t\t Open the resulting user.js file."
+  echo -e "\t-r,\t\t Only download user.js to a temporary file and open it."
+    echo -e "\t-e,\t\t Activate ESR related preferences."
+  echo -e
+  echo 'Deprecated Arguments (they still work for now):'
+  echo -e "\t-donotupdate,\t Use instead -d"
+  echo -e "\t-update,\t Use instead -u"
+  echo -e
+  exit 1
+}
+
+legacy_argument () {
+  echo -e "${ORANGE}\nWarning: command line arguments have changed."
+  echo -e "$1 has been deprecated and may not work in the future.\n"
+  echo -e "Please view the new options using the -h argument.${NC}"
+}
+
+#########################
+#     File Handling     #
+#########################
+
+# Download files
+download_file () {
+  declare -r url=$1
+  declare -r tf=$(mktemp)
+  local dlcmd=''
+
+  if [ $DOWNLOAD_METHOD = 'curl' ]; then
+    dlcmd="curl -o $tf"
+  else
+    dlcmd="wget -O $tf"
+  fi
+
+  $dlcmd "${url}" &>/dev/null && echo "$tf" || echo '' # return the temp-filename (or empty string on error)
+}
+
+open_file () { #expects one argument: file_path
+  if [ "$(uname)" == 'Darwin' ]; then
+    open "$1"
+  elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+    xdg-open "$1"
+  else
+    echo -e "${RED}Error: Sorry, opening files is not supported for your OS.${NC}"
  fi
 }

-## Used to backup the current script, and download and execute the latest version of updater.sh
-update_script () {
-  echo -e "This script will be backed up and the latest version of updater.sh will be executed.\n"
-  mv updater.sh "updater.sh.backup.$(date +"%Y-%m-%d_%H%M")"
-  curl -O ${updater} && echo -e "\nThe latest updater script has been downloaded\n"
+readIniFile () { # expects one argument: absolute path of profiles.ini
+  declare -r inifile="$1"
+  declare -r tfile=$(mktemp)

-  # make new file executable
-  chmod +x updater.sh
+  if [ $(grep '^\[Profile' "$inifile" | wc -l) == "1" ]; then ### only 1 profile found
+    grep '^\[Profile' -A 4 "$inifile" | grep -v '^\[Profile' > $tfile
+  else
+    grep -E -v '^\[General\]|^StartWithLastProfile=|^IsRelative=' "$inifile"
+    echo ''
+    read -p 'Select the profile number ( 0 for Profile0, 1 for Profile1, etc ) : ' -r
+    echo -e "\n"
+    if [[ $REPLY =~ ^(0|[1-9][0-9]*)$ ]]; then
+      grep '^\[Profile'${REPLY} -A 4 "$inifile" | grep -v '^\[Profile'${REPLY} > $tfile
+      if [[ "$?" != "0" ]]; then
+        echo "Profile${REPLY} does not exist!" && exit 1
+      fi
+    else
+      echo "Invalid selection!" && exit 1
+    fi
+  fi

-  # execute new updater script
-  ./updater.sh -donotupdate
+  declare -r profpath=$(grep '^Path=' $tfile)
+  declare -r pathisrel=$(grep '^IsRelative=' $tfile)

-  # exit script
+  rm "$tfile"
+
+  # update global variable
+  if [[ ${pathisrel#*=} == "1" ]]; then
+    PROFILE_PATH="$(dirname "$inifile")/${profpath#*=}"
+  else
+    PROFILE_PATH="${profpath#*=}"
+  fi
+}
+
+getProfilePath () {
+  declare -r f1=~/Library/Application\ Support/Firefox/profiles.ini
+  declare -r f2=~/.mozilla/firefox/profiles.ini
+
+  if [ "$PROFILE_PATH" = false ]; then
+    PROFILE_PATH="$SCRIPT_DIR"
+  elif [ "$PROFILE_PATH" = 'list' ]; then
+    local ini=''
+    if [[ -f "$f1" ]]; then
+      ini="$f1"
+    elif [[ -f "$f2" ]]; then
+      ini="$f2"
+    else
+      echo -e "${RED}Error: Sorry, -l is not supported for your OS${NC}"
+      exit 1
+    fi
+    readIniFile "$ini" # updates PROFILE_PATH or exits on error
+  #else
+    # PROFILE_PATH already set by user with -p
+  fi
+}
+
+#########################
+#   Update updater.sh   #
+#########################
+
+# Returns the version number of a updater.sh file
+get_updater_version () {
+  echo $(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$1")
+}
+
+# Update updater.sh
+# Default: Check for update, if available, ask user if they want to execute it
+# Args:
+#   -donotupdate: New version will not be looked for and update will not occur
+#   -update: Check for update, if available, execute without asking
+update_updater () {
+  if [ $UPDATE = 'no' ]; then
+    return 0 # User signified not to check for updates
+  fi
+
+  declare -r tmpfile=$(download_file 'https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh')
+
+  if [[ $(get_updater_version "${SCRIPT_DIR}/updater.sh") < $(get_updater_version "${tmpfile}") ]]; then
+    if [ $UPDATE = 'check' ]; then
+      echo -e "There is a newer version of updater.sh available. ${RED}Update and execute Y/N?${NC}"
+      read -p "" -n 1 -r
+      echo -e "\n\n"
+      if [[ $REPLY =~ ^[Nn]$ ]]; then
+        return 0 # Update available, but user chooses not to update
+      fi
+    fi
+  else
+    return 0 # No update available
+  fi
+  mv "${tmpfile}" "${SCRIPT_DIR}/updater.sh"
+  chmod u+x "${SCRIPT_DIR}/updater.sh"
+  "${SCRIPT_DIR}/updater.sh" "$@" -d
  exit 1
 }


-main () {
-  ## create backup folder if it doesn't exist
-  mkdir -p userjs_backups;
+#########################
+#    Update user.js     #
+#########################

-  echo -e "\nThis script should be run from your Firefox profile directory.\n"
-
-  echo -e "Updating the user.js for Firefox profile:\n$(pwd)\n"
-
-  if [ -e user.js ]; then
-    echo "Your current user.js file for this profile will be backed up and the latest ghacks version from github will take its place."
-    echo -e "\nIf currently using the ghacks user.js, please compare versions:"
-    echo "  Available online: $(curl -s ${ghacksjs} | sed -n '4p')"
-    echo "  Currently using:  $(sed -n '4p' user.js)"
+# Returns version number of a user.js file
+get_userjs_version () {
+  if [ -e $1 ]; then
+    echo "$(sed -n '4p' "$1")"
  else
-    echo "A user.js file does not exist in this profile. If you continue, the latest ghacks version from github will be downloaded."
+    echo "Not detected."
  fi
-
-  echo -e "\nIf a user-overrides.js file exists in this profile, it will be appended to the user.js.\n"
-
-  read -p "Continue Y/N? " -n 1 -r
-  echo -e "\n\n"
-
-  if [[ $REPLY =~ ^[Yy]$ ]]; then
-    if [ -e user.js ]; then
-      # backup current user.js
-      bakfile="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
-      mv user.js "${bakfile}" && echo "Your previous user.js file was backed up: ${bakfile}"
-    fi
-
-    # download latest ghacks user.js
-    echo "downloading latest ghacks user.js file"
-    curl -O ${ghacksjs} && echo "ghacks user.js has been downloaded"
-
-    if [ -e user-overrides.js ]; then
-      echo "user-overrides.js file found"
-      cat user-overrides.js >> user.js && echo "user-overrides.js has been appended to user.js"
-    fi
-  else
-    echo "Process aborted"
-  fi
-
-  ## change directory back to the original working directory
-  cd "${currdir}"
 }

-update_pref="$(echo $update_pref | tr '[A-Z]' '[a-z]')"
-if [ $update_pref = "-donotupdate" ]; then
-  main
-else
-  check_for_update
-  if [ $update_available = "no" ]; then
-    main
+add_override () {
+  input=$1
+  if [ -f "$input" ]; then
+    echo "" >> user.js
+    cat "$input" >> user.js
+    echo -e "Status: ${GREEN}Override file appended:${NC} ${input}"
+  elif [ -d "$input" ]; then
+    FSAVEIFS=$IFS
+    IFS=$'\n\b' # Set IFS
+    FILES="${input}"/*.js
+    for f in $FILES
+    do
+      add_override "$f"
+    done
+    IFS=$SAVEIFS # restore $IFS
  else
-    ## there is an update available 
-    if [ $update_pref = "-update" ]; then
-      ## update without asking
-      update_script
-    else 
-      read -p "There is a newer version of updater.sh available.  Download and execute?  Y/N? " -n 1 -r
-      echo -e "\n\n"
-      if [[ $REPLY =~ ^[Yy]$ ]]; then
-        update_script
-      else
-        main
+    echo -e "${ORANGE}Warning: Could not find override file:${NC} ${input}"
+  fi
+}
+
+remove_comments () { # expects 2 arguments: from-file and to-file
+  sed -e 's/^[[:space:]]*\/\/.*$//' -e '/^\/\*/,/\*\//d' -e '/^[[:space:]]*$/d' -e 's/);[[:space:]]*\/\/.*/);/' "$1" > "$2"
+}
+
+# Applies latest version of user.js and any custom overrides
+update_userjs () {
+  declare -r newfile=$(download_file 'https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js')
+
+  echo 'Please observe the following information:'
+  echo -e "\tFirefox profile:  ${ORANGE}$(pwd)${NC}"
+  echo -e "\tAvailable online: ${ORANGE}$(get_userjs_version $newfile)${NC}"
+  echo -e "\tCurrently using:  ${ORANGE}$(get_userjs_version user.js)\n${NC}\n"
+
+  if [ $CONFIRM = 'yes' ]; then
+    echo -e "This script will update to the latest user.js file and append any custom configurations from user-overrides.js. ${RED}Continue Y/N? ${NC}"
+    read -p "" -n 1 -r
+    echo -e "\n"
+    if [[ $REPLY =~ ^[Nn]$ ]]; then
+      echo -e "${RED}Process aborted${NC}"
+      rm $newfile
+      return 1
    fi
  fi
+
+  # Copy a version of user.js to diffs folder for later comparison
+  if [ "$COMPARE" = true ]; then
+    mkdir -p userjs_diffs
+    cp user.js userjs_diffs/past_user.js &>/dev/null
+  fi
+
+  # backup user.js
+  mkdir -p userjs_backups
+  local bakname="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
+  if [ $BACKUP = 'single' ]; then
+    bakname='userjs_backups/user.js.backup'
+  fi
+  cp user.js "$bakname" &>/dev/null
+
+  mv "${newfile}" user.js
+  echo -e "Status: ${GREEN}user.js has been backed up and replaced with the latest version!${NC}"
+
+  if [ "$ESR" = true ]; then
+    sed -e 's/\/\* \(ESR[0-9]\{2,\}\.x still uses all.*\)/\/\/ \1/' user.js > user.js.tmp && mv user.js.tmp user.js
+    echo -e "Status: ${GREEN}ESR related preferences have been activated!${NC}"
+  fi
+
+  # apply overrides
+  if [ "$SKIPOVERRIDE" = false ]; then
+    while IFS=',' read -ra FILE; do
+      add_override "$FILE"
+    done <<< "$OVERRIDE"
+  fi
+
+  # create diff
+  if [ "$COMPARE" = true ]; then
+    pastuserjs='userjs_diffs/past_user.js'
+    past_nocomments='userjs_diffs/past_userjs.txt'
+    current_nocomments='userjs_diffs/current_userjs.txt'
+
+    remove_comments $pastuserjs $past_nocomments
+    remove_comments user.js $current_nocomments
+
+    diffname="userjs_diffs/diff_$(date +"%Y-%m-%d_%H%M").txt"
+    diff=$(diff -w -B -U 0 $past_nocomments $current_nocomments)
+    if [ ! -z "$diff" ]; then
+      echo "$diff" > "$diffname"
+      echo -e "Status: ${GREEN}A diff file was created:${NC} ${PWD}/${diffname}"
+    else
+      echo -e "Warning: ${ORANGE}Your new user.js file appears to be identical.  No diff file was created.${NC}"
+      if [ $BACKUP = 'multiple' ]; then
+        rm $bakname &>/dev/null
+      fi
+    fi
+    rm $past_nocomments $current_nocomments $pastuserjs &>/dev/null
+  fi
+
+  if [ "$VIEW" = true ]; then open_file "${PWD}/user.js"; fi
+}
+
+#########################
+#        Execute        #
+#########################
+
+if [ $# != 0 ]; then
+  readonly legacy_lc=$(echo $1 | tr '[A-Z]' '[a-z]')
+  # Display usage if first argument is -help or --help
+  if [ $1 = '--help' ] || [ $1 = '-help' ]; then
+    usage
+  elif [ $legacy_lc = '-donotupdate' ]; then
+    UPDATE='no'
+    legacy_argument $1
+  elif [ $legacy_lc = '-update' ]; then
+    UPDATE='yes'
+    legacy_argument $1
+  else
+    while getopts ":hp:ludsno:bcvre" opt; do
+      case $opt in
+        h)
+          usage
+          ;;
+        p)
+          PROFILE_PATH=${OPTARG}
+          ;;
+        l)
+          PROFILE_PATH='list'
+          ;;
+        u)
+          UPDATE='yes'
+          ;;
+        d)
+          UPDATE='no'
+          ;;
+        s)
+          CONFIRM='no'
+          ;;
+        n)
+          SKIPOVERRIDE=true
+          ;;
+        o)
+          OVERRIDE=${OPTARG}
+          ;;
+        b)
+          BACKUP='single'
+          ;;
+        c)
+          COMPARE=true
+          ;;
+        v)
+          VIEW=true
+          ;;
+        e)
+          ESR=true
+          ;;
+        r)
+          tfile=$(download_file 'https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js')
+          mv $tfile "${tfile}.js"
+          echo -e "${ORANGE}Warning: user.js was saved to temporary file ${tfile}.js${NC}"
+          open_file "${tfile}.js"
+          exit 1
+          ;;
+        \?)
+          echo -e "${RED}\n Error! Invalid option: -$OPTARG${NC}" >&2
+          usage
+          ;;
+        :)
+          echo -e "${RED}Error! Option -$OPTARG requires an argument.${NC}" >&2
+          exit 1
+          ;;
+      esac
+    done
  fi
 fi
+
+show_banner
+update_updater $@
+
+getProfilePath # updates PROFILE_PATH or exits on error
+cd "$PROFILE_PATH" && update_userjs
+
+cd "$CURRDIR"
--- a/user.js
+++ b/user.js
--- a/wikipiki/License-MIT-yellow.svg
+++ b/wikipiki/License-MIT-yellow.svg
@ -0,0 +1 @@
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--- a/wikipiki/exceptions01.png
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--- a/wikipiki/exceptions02.png
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--- a/wikipiki/exceptions03.png
+++ b/wikipiki/exceptions03.png
				`@ -0,0 +1 @@`
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