Surrogate Pair Amanuensis  Surrogate Pair Amanuensis

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©1996-2013 Roedy Green, Canadian Mind Products
To view this page, you should have the most recent Java installed 32-bit JRE (Java Runtime Environment) 1.7.0_21. Older versions have a security flaw.
This Applet will run online in your browser, but it is a hybrid you can also download, install and run it on your own machine as standalone application. It will start and run faster if you do that. It will also work safely even if you have disabled Java in your browser.

This Applet helps you encode 32-bit Unicode codePoints in Java String literals as a pair of 16-bit surrogate characters. For more detail on how surrogates work, see codePoints.

Sorry, you need Java 1.6 or later to run this Applet.

If, SurrogatePair, the above Surrogate Pair Amanuensis to convert 32-bit Unicode codePoints to a 16-bit surrogate pair signed Java Applet (that can also be run as an application) does not work…

  1. Often problems can be fixed simply by clicking the reload button on your browser.
  2. Make sure you have both JavaScript and Java enabled in your browser.
  3. This signed Java Applet (that can also be run as an application) needs 32-bit (not 64-bit) Java 1.6 or later. For best results use the older 1.7.0_17 not the latest buggy 1.7.0_21. In the Java Control Panel, configure medium security to allow vanilla unsigned applets to run.
  4. You also need a recent browser.
  5. It works under any operating system that supports Java e.g. W2K/XP/W2003/Vista/W2008/W7-32/W7-64/W8-32/W8-64/Linux/LinuxARM/LinuxX86/LinuxX64/Ubuntu/Solaris/SolarisSPARC/SolarisSPARC64/SolarisX86/SolarisX64/OSX
  6. You should see the Applet hybrid above looking much like this screenshot. If you don’t, the following hints should help you get it working:
  7. For this Applet hybrid to work, you must click grant/accept to give it permission to let you copy/paste. If you refuse to grant permission, the program may crash with an inscrutable stack dump on the console complaining about AccessController.checkPermission.
  8. Optionally, you may permanently install the Canadian Mind Products code-signing certificate so you don’t have to grant each time.
  9. If the above Applet hybrid appears to freeze-up, click Alt-Esc repeatedly to check for any buried permission dialog box.
  10. If you have certificate troubles, check the installed certificates and remove or update any obsolete or suspected defective certificates. The only certificate used by this program is mindprodcert2013dsa.cer.
  11. Especially if this Applet hybrid has worked before, try clearing the browser cache and rebooting.
  12. To ensure your Java is up to date, check with Wassup. First, download it and run it as an application independent of your browser, then run it online as an Applet to add the complication of your browser.
  13. If the above Applet hybrid does not work, check the Java console for error messages.
  14. If the above Applet hybrid does not work, you might have better luck with the downloadable version available below.
  15. If you are using Mac OS X and would like an improved Look and Feel, download the QuaQua look & feel from randelshofer.ch/quaqua. UnZip the contained quaqua.jar and install it in ~/Library/Java/Extensions or one of the other ext dirs.
  16. If you are using Microsoft Internet Explorer 7, 8 or 9, try another browser. Seriously. Microsoft has taken great pains, over and over, to screw up Java and every other multi-platform standardisation.
  17. If you are using Microsoft Internet Explorer 7, 8 or 9, you must click to allow blocked content permission for Active X to run. This also gives permission to Java to run. Click the Information bar, and then click Allow blocked content. Unfortunately, this also allows dangerous ActiveX code to run. However, you must do this in order to get access to perfectly-safe Java Applets running in a sandbox. This is part of Microsoft’s war on Java. Don’t put up with it! Use a different browser.
  18. If you are using Microsoft Internet Explorer 9, makes sure the Java Plug-In SSV helper add-in is installed and enabled. If it is not, try reinstalling the Java JRE.
  19. If you have Windows 7 64-bit and Internet Explorer 64-bit, in theory you can use 64-bit Java, but I never been able to get it to work.
  20. Try upgrading to a more recent version of your browser, or try a different browser e.g. Firefox, SeaMonkey, Safari or Avant.
  21. If you still can’t get the program working click HELP for more detail.
  22. If you can’t get the above Applet hybrid working after trying the advice above and from the HELP button below, have bugs to report or ideas to improve the program or its documentation, please send me an email atemail Roedy Green.
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PackageVersionReleasedLicenceLanguageNotes 
surrogatepair
SurrogatePair		 1.1 2011-12-01 free Java
more info ❘ precis ❘ screenshot ❘ browse source repository
for the current version of SurrogatePair.
Applet to generate surrogate pairs for Java literals containing 32-bit Unicode codepoints.
download 719K zip for SurrogatePair Java source, compiled class files, jar and documentation to run on your own machine either as an application or an Applet.

Runs on any OS that supports Java e.g. W2K/XP/W2003/Vista/W2008/W7-32/W7-64/W8-32/W8-64/Linux/LinuxARM/LinuxX86/LinuxX64/Ubuntu/Solaris/SolarisSPARC/SolarisSPARC64/SolarisX86/SolarisX64/OSX.

First install the most recent Java.

To install, extract the zip download with WinZip, (or similar unzip utility) into any directory you please, often J:\ — ticking off the use folder names option.

To check out the corresponding source from the Subversion repository, use the TortoiseSVN repo-browser to
access surrogatepair source in repository with [Tortoise] Subversion client on wush.net/svn/mindprod/com/mindprod/surrogatepair/.

After you have installed the jar, you can run it as an application. Type:

java -jar J:\com\mindprod\surrogatepair\surrogatepair.jar

adjusting as necessary to account for where the jar file is.

download ASP PAD XML program description for the current version of SurrogatePair.

SurrogatePair is free.
$1989.00 US donated so far. If the CMP utilities solved your problem, please donate a buck or two, or donate to one of the charities featured in the footer public service ads throughout the website and get a tax receipt.
Full source included. You may even include the source code, modified or unmodified in free/commercial open source/proprietary programs that you write and distribute. Non-military use only.
  
 
codePoints
other downloads
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available on the web at:

 http://mindprod.com/applet/surrogatepair.html
  

optional Replicator mirror
of mindprod.com
on local hard disk J:

 J:\mindprod\applet\surrogatepair.html
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Please email your , letters to the editor, errors, omissions, typos, formatting errors, ambiguities, unclear wording, broken/redirected link reports, suggestions to improve this page or comments to Roedy Green : feedback email. If you want your message, your name or email kept confidential, not considered for public posting, please explicitly specify that. Unless you state otherwise, I will treat your message as a letter to the editor that I may or may not publish in the feedback section. After that, it will be too late to retract it. If you disagree with something I said, especially when sending an ad-hominem attack, a rant composed mainly of obscenities or a death threat, please quote the offending passage and cite the web page where you found it, tell me why you think it is wrong, and, if possible, provide some supporting evidence. I can’t very well fix erroneous or ambiguous text if I can’t find it.
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