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   GOLDED      GoldED Public Release discussion.      2,690 messages   

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   Message 2,118 of 2,690   
   Vitaliy Aksyonov to Nicholas Boel   
   Re: Changes in golded+ sources   
   08 Nov 23 11:50:12   
   
   REPLY: 1:154/10 654abe48   
   MSGID: 1:104/117 654bdd7d   
   CHRS: US-ASCII 2   
   TZUTC: -0700   
   TID: hpt/lnx 1.9 2022-07-03   
   Hello Nicholas.   
      
   07 Nov 23 16:31, you wrote to me:   
      
    VA>> Git is somewhat complex, but once you got the idea - you may do a   
    VA>> lot of cool things which other code versioning systems cant. Like   
    VA>> reorder commits, move one branch on top of another, etc.   
    NB> I probably won't ever be reordering or anything super technical, but I   
    NB> googled the easiest way, and 'checkout' seemed to do the trick. Then I   
    NB> just went back to the master branch using the same option.   
      
   You just don't need it which is totally fine. :) And I'm just saying that git   
   is very powerful tool if you know how to use it.   
      
    VA>> If you need some help with that - I'll be glad to do it. It's   
    VA>> just not right echo area for those questions. You may shoot me   
    VA>> netmail too.   
    NB> I may have to take you up on that offer some day. Thank you! ;)   
      
   Sure.   
      
    VA>> You may convert any charset to UTF-8 actually. And it would be   
    VA>> really cool to have UTF-8 support in GoldEd. I'm still learning   
    VA>> the code. Will try to improve things in that area.   
      
    NB> So here's a question or two for you. As of right now I'm using:   
      
    NB> xlatimport cp437 (because most incoming messages missing a CHRS kludge   
    NB> falls under this)   
      
    NB> xlatexport utf-8 (because that's what I can write with)   
    NB> xlatlocalset utf-8 (because this is my local setup, 'locale' gives   
    NB> en_US.UTF-8 for everything)   
      
    NB> Basically I'm forcing the use of utf-8 when exporting messages, but we   
    NB> have already witnessed that that doesn't work when you write to me   
    NB> using CP866 and I reply back to you.   
      
    NB> 1) Is there a way for me to reply to you with the same charset (or   
    NB> closest translation) that you're using automatically? Or would I have   
    NB> to change my config file every time I reply to a different CHRS   
    NB> kludge?   
      
   Not automatic, and there is a feature request to do this. I may work on this   
   request when finish charset conversion refactoring.   
      
   But! You can do it manually. You may create separate message template and add   
   in the beginning @XLatExport CP866 (or other). It's way inconvenient, but it   
   works. This way I use US-ASCII while my standard export charset is CP866 (I   
   mostly write to Russian echoes). You may switch templates when write new   
   messages or answer to somebody.   
      
   So if you have only few desired charsets - it will work for you.   
      
    NB> 2) Is this where iconv support would be beneficial, when an incoming   
    NB> message has a CP866 kludge, iconv would translate it to UTF-8 on my   
    NB> end so that it is readable and writable, and then translate it back to   
    NB> CP866 when the reply is sent? Or would it still stay UTF-8 because I'm   
    NB> forcing it on export?   
      
   Let me explain how this machinery works and then you'll have less questions if   
   any. :)   
      
   For charset translation GoldEd uses three main keywords:   
   XlatImport - which charset to use if message doesn't have CHRS kludge.   
   XlatLocalSet - your local charset.   
   XlatExportSet - which craset to use to write! message. This is important.   
      
   To convert between each pair you need to have translation tables configured.   
      
   Now lets go through some scenario.   
      
   XlatImport cp437   
   XlatLocalSet utf-8   
   XlatExport utf-8   
      
   1. You receive message with CHRS CP866 2.   
   2. Ignore XlatImport because we have CHRS kludge. Use CP866.   
   3. Lookup conversion table between CP866 and UTF-8. If it exists - great, use   
   it and convert message to UTF-8 (and you even won't lose any letters because   
   all symbols from CP866 may be converted to UTF-8.   
      
   That's for reading part. Now you decide to answer.   
      
   Editor will work in UTF-8 and converted message will be displayed fine (there   
   are some issues with UTF-8 there, but let's skip it for now).   
      
   1. You write some stuff using English, Russian and let's say Arab letters.   
   2. When you save it to message base, GoldEd will lookup conversion table from   
   UTF-8 (XLatLocalSet) to UTF-8 (XlatExport). As long as you have it, even if   
   it's really fake, but in this case it works because that's one-to-one   
   conversion, GoldEd will save message perfectly fine in UTF-8.   
      
   The problem with this approach is that people which have different local   
   charset (like me) won't see non-english chars.   
      
   Now let's imagine that you have XlatExport set to cp437, but XlatLocalSet to   
   utf-8.   
      
   When message is being saved, GoldEd would try to find conversion table from   
   utf-8 and cp437. Such table in GoldEd just impossible, because it cannot   
   convert from multibyte charsets to other charsets. So it will just save it as   
   UTF-8 text. I'm not sure which CHRS kludge will be used, but that's very easy   
   to check. :)   
      
   Even more. When it converts from one-byte to multibyte charset - it can only   
   use up to three bytes per symbol. Which is enough for most languages, but   
   still is a limitation.   
      
   Would iconv improve this situation - yes! You'll be able to convert from   
   multibyte charsets. Sure, some symbols may be lost if they don't exist in   
   target charset. For example if I convert from UTF-8 to KOI8-R, I'd lose German   
   umlauts. :)   
      
   Hope that answers your question. If you have more - I'll try to answer them.   
      
    VA>>>> I see. And you use that fake conversion table from/to UTF-8,   
    VA>>>> right? If you do - my next small fix will help you for sure.   
      
    NB> We can consider this message my first test using the latest commit. ;)   
      
    NB> Hope it works!   
      
   It works. Now I see "UTF-8 4".   
      
   Vitaliy   
      
   ... ?u?a??e ?e??y c?po? - ?a? ?u?o??a ?e 6??ae? o?e?a?o?.   
   --- GoldED+/LNX 1.1.5-b20231030   
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