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Re: Ascii character typeing


From: Pascal Bourguignon
Subject: Re: Ascii character typeing
Date: Wed, 19 Jul 2006 16:00:44 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

Brian Elmegaard <brian@rkspeed-rugby.dk> writes:

> Mathias Dahl <brakjoller@gmail.com> writes:
>
>> If by any chance you mean how to do this in Emacs, you can try this:
>>
>> C-q 2 2 5 RET
>>
>> For me that generates: á
>
> I have never found a way to find the character set. Is there a way to
> make emacs show all the available characters and their codes?

C-q is quoted-insert.

The base depends on  read-quoted-char-radix.

225(eight) = 149(ten) = 95(sixteen)

And it works only if unibyte-char-to-multibyte is enabled.
The code used depends on unibyte-char-to-multibyte.
That is, eventually, on nonascii-translation-table or nonascii-insert-offset.
This is set by set-language-environment.

It's probably safest (more universal) to use the ucs input method...

In anycase, once you know what coding system you've configured, you
can easily find the code map on the web, for example on wikipedia.org. 

For example, assuming iso-9959-15, we can see on 
http://en.wikipedia.org/wiki/ISO-8859-15
that the code for € is: a4(hex) =  164(dec) = 204(oct)
so typing

(setf read-quoted-char-radix 10) C-x C-e
C-q 1 6 4 SPC gives:  € 

(set-language-environment 'Russian) C-x C-e
C-q 1 6 4 SPC                                gives:  ╓ 
(set-language-environment 'Latin-1) C-x C-e
C-q 1 6 4 SPC                                gives:  ¤ 


However, 
(set-input-method 'ucs) C-x C-e
u 2 5 5 3                                    gives: ╓
u 0 0 a 4                                    gives: ¤
whatever the language environment.



 
Here is the ISO-8859-15 map:

% ascii -e -d -n                                                                
 
                                                                
 32 SP    33  !   34  "   35  #   36  $   37  %   38  &   39  '  
 40  (   41  )   42  *   43  +   44  ,   45  -   46  .   47  /  
 48  0   49  1   50  2   51  3   52  4   53  5   54  6   55  7  
 56  8   57  9   58  :   59  ;   60  <   61  =   62  >   63  ?  
 64  @   65  A   66  B   67  C   68  D   69  E   70  F   71  G  
 72  H   73  I   74  J   75  K   76  L   77  M   78  N   79  O  
 80  P   81  Q   82  R   83  S   84  T   85  U   86  V   87  W  
 88  X   89  Y   90  Z   91  [   92  \   93  ]   94  ^   95  _  
 96  `   97  a   98  b   99  c  100  d  101  e  102  f  103  g  
104  h  105  i  106  j  107  k  108  l  109  m  110  n  111  o  
112  p  113  q  114  r  115  s  116  t  117  u  118  v  119  w  
120  x  121  y  122  z  123  {  124  |  125  }  126  ~          
                                                                
                                                                
160     161  ¡  162  ¢  163  £  164  €  165  ¥  166  Š  167  §  
168  š  169  ©  170  ª  171  «  172  ¬  173  ­  174  ®  175  ¯  
176  °  177  ±  178  ²  179  ³  180  Ž  181  µ  182  ¶  183  ·  
184  ž  185  ¹  186  º  187  »  188  Œ  189  œ  190  Ÿ  191  ¿  
192  À  193  Á  194  Â  195  Ã  196  Ä  197  Å  198  Æ  199  Ç  
200  È  201  É  202  Ê  203  Ë  204  Ì  205  Í  206  Î  207  Ï  
208  Ð  209  Ñ  210  Ò  211  Ó  212  Ô  213  Õ  214  Ö  215  ×  
216  Ø  217  Ù  218  Ú  219  Û  220  Ü  221  Ý  222  Þ  223  ß  
224  à  225  á  226  â  227  ã  228  ä  229  å  230  æ  231  ç  
232  è  233  é  234  ê  235  ë  236  ì  237  í  238  î  239  ï  
240  ð  241  ñ  242  ò  243  ó  244  ô  245  õ  246  ö  247  ÷  
248  ø  249  ù  250  ú  251  û  252  ü  253  ý  254  þ  255  ÿ  

-- 
__Pascal Bourguignon__                     http://www.informatimago.com/
You're always typing.
Well, let's see you ignore my
sitting on your hands.


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