(or go back to index)
There's no "I" in IDN, part 19: There's no "I" in IPv6, either! (2013/10/17)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 18: There isn't even an "I" in John C. Klensin's name! (2013/10/08)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 17: EAI made it to China, and everybody knows it! (2013/09/13)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 16: It's a good thing they decided to call it EAI! (2013/04/19)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 15: Still no 'I' in EAI.... but we could use an US sometime soon! (2012/10/12)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 14: It turns out there's no "I" in IE, either (2012/08/08)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 13: Desktop and Managed and Metro; oh my! (2012/05/18)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 12: Emoji + IDN == U+1F4A9 (PILE OF POO) (2012/02/27)
…DN support? How much? When? (Part 2) part 9: Who needs IDN support? How much? When? (Part 1) part 8: Punycode don't do the PUA part 7: IDN comes to AdWords part 6: It isn't like there's an "I" in EAI, either! part 5: Stephen Colbert's job is not in …
There's no "I" in IDN, part 11: There's no place like ::1, not even 127.0.0.1! (2011/10/25)
…y jeopardy part 6: It isn't like there's an "I" in EAI, either! part 7: IDN comes to AdWords part 8: Punycode don't do the PUA part 9: Who needs IDN support? How much? When? (Part 1) part 10: Who needs IDN support? How much? When? (Part 2) I have a …
A joke,and the exception that proves the rule.... (2011/10/19)
…. An irresistible force walks into an immovable object (aka the Thai that binds us), I mean. You know, the thing about the PUA character hidden on the Thai Pattachote keybord: After due and careful consideration, the campaign to remove the PUA looks…
There's no "I" in IDN, part 10: Who needs IDN support? How much? When? (Part 2) (2011/09/21)
…y jeopardy part 6: It isn't like there's an "I" in EAI, either! part 7: IDN comes to AdWords part 8: Punycode don't do the PUA part 9: Who needs IDN support? How much? When? (Part 1) Let me see, was i in the last part talking about: ISSUE 3: Can mac…
There's no "I" in IDN, part 9: Who needs IDN support? How much? When? (Part 1) (2011/09/16)
…y jeopardy part 6: It isn't like there's an "I" in EAI, either! part 7: IDN comes to AdWords part 8: Punycode don't do the PUA In an ideal world, IDN support will in future be utterly complete. And I don't just say that as an owner responsible to ge…
The secret missing Unicode letters? (2011/08/23)
…re too. Josh on 24 Aug 2011 8:09 AM: I was thinking he's possibly looking at a font which encodes alternate glyph forms in PUA (there are a few of those laying around!), mistaking PUA codes for actual assigned Unicodes...maybe?…
There's no "I" in IDN part 8: Punycode don't do the PUA (2011/08/12)
…ubset of "valid" characters, and Characters deemed illegal/invalid in IDN cause the process to fail. And characters in the PUA (PRIVATE USE AREA) like , aka U+e216, have no public, agreed upon context. Thus, they have no place in Punycode. Or in ID…
The reach of Apple? Or of the Klingon Empire? Neither was behind this one... (2011/07/29)
So over in the Suggestion Box, Steve commented: For fun purposes: The "Apple logo" PUA Codepoint 0xF8FF mentioned in http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/SYMBOL.TXT maps to a Klingon empire "Glyph"…
An irresistible force walks into an immovable object (aka the Thai that binds us) (2011/06/24)
… wee bit longer than a blink of an eye, it was determined that Microsoft's essentially promiscuous use of both the Unicode PUA (private use area) and unpaired Unicode surrogates were not only bad and/or wrong -- they were in some situations potentia…
An irresistible force walks into an immovable object (aka the Thai that binds us) (2011/06/24)
… wee bit longer than a blink of an eye, it was determined that Microsoft's essentially promiscuous use of both the Unicode PUA (private use area) and unpaired Unicode surrogates were not only bad and/or wrong -- they were in some situations potentia…
One of the coolest parts of my job is when I don't have to do it (2011/06/02)
…vate-use areas are typically used for CJK ideographs that are not encoded in Unicode. So it looks like somebody is using a PUA character, possibly a private CJK ideograph. Regards, L. And there it is -- knowing that there are other people who know t…
Solution: The Dead Keys Conundrum: An Encyclopedia Brown Mystery (2011/04/25)
…T BELOW character to stick in the table. And there isn't one in Unicode. Perhaps you jumped into the idea of just using as PUA character. I mean, you convince yourself that you'll be adding the 150+ valid combinations and since you are defining all …
Doing it for appearances, Hong Kong style! (2011/01/13)
…ny different things: In some versions, a way to represent everything Hong Kong needs in the Unicode BMP (using the Unicode PUA as needed); A set containing the minimal set of Han needed for users in Hong Kong; A listing of Han that have glyphic diff…
Doing it for appearances, Hong Kong style! (2011/01/13)
…ny different things: In some versions, a way to represent everything Hong Kong needs in the Unicode BMP (using the Unicode PUA as needed); A set containing the minimal set of Han needed for users in Hong Kong; A listing of Han that have glyphic diff…
Short-sighted text processing #5: PU[A]! That pad THAI is pretty spicy.... (2011/01/05)
…ph Positioning Table). And they did it in an interesting way, one that pissed off some people. They used some slots in the PUA (private use area) of Unicode. Now these characters are quite similar to some actual characters in the Thai Unicode block,…
On disliking Emoji, disrespecting code pages, and not looking past dogma (2010/12/28)
…25.aspx Mihai on 29 Dec 2010 3:19 PM: My understanding is that the various Japanese phones are using the JIS equivalent of PUA. So before adding new code pages we should take a look at the stuff coming out of the Japanese handsets. Is the text even …
Watch your language, Michael! (aka What the @#%&*! is an Elevated Command Prompt?) (2010/03/20)
… bad -- sure enough when I run an elevated command prompt my input method installs just fine, and to my delight it uses my PUA Tangut font as specified in the source file, so I can actually see what I am typing now. Thanks so much for sorting it all…
Being in the zone may not be the best way to get the time right (2010/02/04)
…of this state included with Windows. parkrrrr on 4 Feb 2010 10:37 AM: Also, more in line with your usual post, what's that PUA character in Geoff Pease's quoted text supposed to be? John Cowan on 4 Feb 2010 11:01 AM: It's certainly better to keep lo…
Can't I pick the candidate list font if I don't speak fluent square box? (2010/01/21)
…i Michael, I have used the Table Driven Text Service to create an input method for a not-yet-encoded script (Tangut) using PUA codepoints. It was easy and it works great, except that the PUA Tangut characters do not display on the candidate list, wh…
Tavultesoft is one of the company names mispronounced more often than Trigeminal (2008/09/24)
… say it the same way I do, say [təˈvʊltɪsɔft]. As to the origins, Tavultae [tɑˈvʊltɛ] is a village on the North coast of Papua New Guinea where my family spent some time when I was 13. We are not only mispronounced, we are also widely misspelled! I'…
How to get it done if Microsoft does not do it? (2008/02/24)
… avoid using reserved Unicode codepoints. The Private Use Area of Unicode is available, but it has the limitation that all PUA codepoints have a presumed left-to-right direction (directionality is a character property, not something that you set in …
Closed captioning (for Latin 1 languages only)? (2007/10/04)
…ding Hebrew and Arabic - these are privately installed licensed variants of Lucida Console. As I recall we had to use some PUA for forms that were not in Unicode, and the MCE guys used mapping tables. Subtitles are generally generated separately and…
What's up with MB_ERR_INVALID_CHARS? (2007/07/25)
…ere on! Anyway.... Here are the "strange" characters in each code page, both the weirdly mapped and the ones mapped to the PUA, all of which are documented in the original tables as having no mapping: Code page 874 (best fit table): 0x81 0x0081 0x82…
TAV is in the public use area (2007/07/24)
… U+f894 or other. Given the valid character (U+05ea, HEBREW LETTER TAV) is very much in public use I am not sure where the PUA character might have come from for Chris. It is certainly not expected. I responded a bit after that to talk a bit about M…
The PUA outside of Unicode (2007/05/26)
…nicode that I have discussed before (ref: previous posts). In particular, I have talked about the relationship between the PUA and EUDC (End User Defined Characters) like in this post. But an important thing to keep in mind is that the PUA is not ju…
MS Word says PUA is EA/CJK? TISNF! (2007/05/21)
…o say without knowing exactly what parts of the Unicode Private Use Area are being used, but once I remind about the whole PUA? P.U. ! issue, I'll just add to the whole PUA/symbol issue by pointing out how apps like Word will assume that PUA in runn…
Kowloon 951 (2007/05/12)
…e the same heavy use of the Unicode Private Use Area, has been for the most part as good as attempts have been to take the PUA and make it something semi-private. A complete and total functionality and interoperability nightmare. (The critics of thi…
Warning: when private is used in public, it can really suck (2007/03/21)
…on earlier today: Hi experts, My customer has a custom designed font with some special characters in the Private Use Area (PUA). He is having a problem when trying to paste these characters (as text) into a RichEdit control in his application. Basic…
For HKSCS, Vista ≫ 2004, and 2004 ≫ 2001 (2007/01/19)
…t for HKSCS incorporated into the later HKSCS support packages and in Vista? I am not saying using cp951 that uses Unicode PUA as-is, but modifying it to map to the characters later officially defined in Unicode and using that. Michael S. Kaplan on …
Strangely Symbolic font issues (2006/12/03)
…se might be a cool enhancement to that site. :-) But in the meantime it causes interesting problems if you don't use those PUA assignments, especially given all of the random places in GDI, GDI+, RichEdit, Word, and Avalon where sometimes 0x80 will …
Maybe it is the name that is 'Undesirable' ? (2006/11/12)
…took some extra conditions that it required in order to consider a string to be defined by its standards (in that case, no PUA and no unpaired surrogates, in addition to being unknown to the collation data). The same conditions apply to the managed …
And if your language starts playing a different TUNE (2006/08/31)
…s Request For Comments here. What this standard amounts to is an attempted re-encoding of the Tamil script using Unicode's PUA (Private Use Area) in an attempt to make Tamil into a simple script (rather than a comple one), to build collation support…
Behind the return of the Unicode IME (2006/07/22)
…d be left out for now and I figured they could always be added back later. I rejected the idea of being "consistent" in my PUA treatment and getting rid of everything in UnicodeCategory.PrivateUse. Because despite the bias I seem to show in posts li…
The PUA isn't complex enough (2006/07/10)
Bob Richmond asks in the Suggestion Box: UniScribe, Opentype, Unicode versions, and the PUA As I understand it, Uniscribe divides text into runs and applies OpenType features on a script specific basis. If the scri…
WYSIWYG font dropdowns (2006/06/28)
…also be worthwhile to look at other secondary indications to verify, like the exclusive use of the particular piece of the PUA that symbol fonts use, just to be sure? # Aaron Ballman on 2 Jul 2006 8:57 PM: I'm not certain I'm familiar of how to get …
Microsoft *does* support OpenType! (2006/06/16)
…t's not my job. # phil on 29 Jan 2009 8:45 PM: It's really sad that Uniscribe still does not support OpenType features for PUA characters.…
Keeping out the undesirables? (2006/05/31)
…wer to that question is YES, then continue the test. If the answer is YES, then continue the test. Is the code unit in the PUA (Private Use Area) of Unicode? If the answer is YES, then return FALSE. If the answer is NO, then continue the test. Is th…
Questions about font linking, etc. (2006/01/22)
…now about. Which is why it takes more than simply adding a font to get it to see support for fonts that cover areas of the PUA. The truth is that there is no mechanism to see full support for PUA type solutions, or more generally for any user provid…
The PUA? P.U. ! (2005/09/26)
…e" it is just plain common sense that if it is in Windows, then it is hardly private.... And this is why (for example) the PUA is not considered "sortable" according to the IsNLSDefinedString function or the CompareInfo.IsSortable method, even thoug…
Extending collation support in SQL Server and Jet, Part 2.1 (is this on?) (2005/09/25)
…though, the Mimer solution is more than 30 seconds work for most languages, because it depends on accurate tailorin to the PUA, which is not such a common item out there (the CLDR provides the largest source of them but I have been told by many that…
There is no such thing as a surrogate character (dammit!) (2005/07/27)
…rogate pairs are treated as two Unicode code points. Surrogates are sorted after other Unicode code points, but before the PUA (private user area). Sorting for a standalone surrogate character (that is, either the high or low character is missing) i…
What is up with number sorting? (2005/01/05)
… for example in the Unicode Private Use Area. After that sort the strings in a normal way (provided the sort routine sorts PUAs according to their value). Prepending the private character with a fixed '0' could also ensure that it is sorted in the p…
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