# Re: [NTG-context] Basic question on Unicode and ConTeXt

```Hans Hagen wrote:

```
```So why not mapping the characters to unicode first and defining the
mapping from unicode to \TeXcommand only once? regi-* files (at least
in the meaning they have now) could be prepared automatically by a
script, less error-prone and without the need to say "Some more
```
`you mean ...`
```
\defineactivetoken 123 {\uchar{...}{...}}

it is an option but it's much slower and take much more memory
```
```
```
I may be wrong, of course, but I think Mojca proposed something different (and something that should be really easy to implement): Have the unicode vectors stored in a format easily parsed by an external ruby script and create the regi-* files from that, using the conversion tables provided by your operating system or iconv or wherever ruby gets them from.
```

regards,
Christopher
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```