[Cuis-dev] [IMPROV] Unicode Input in Editor

Gerald Klix cuis.01 at klix.ch
Mon Oct 9 04:08:40 PDT 2023

Hi Hannes,

I just checked it, it works with the latest Cuis image (6037).
If it does not work with DrGeo, Hilaire surely will be able to help,
but he may need the DrGeo version information.

Just a hint, this enhancement was integrated into the Cuis base image
on 2023-07-27. If your DrGeo version is based on an older
Cuis version, Unicode input won't work for sure.


HTH and Best Regards,


PS: Would you mind to tell me about your IPA2-requirements?

On 10/9/23 8:30 AM, H. Hirzel via Cuis-dev wrote:
> Hello Luciano and Gerald
> Thank you for your answers with the explanations
> Input of LaTeX symbols works, e.g.
>     \alpha+\rho
> gives α+ρ
> but the general mechanism
> \+161<space> does unfortunately not work. This is in DrGeo 23.06.[1]
> I am also interested in entering IPA [2]  characters (needs an extension I
> am ready to do)
> Kind regards
> Hannes
> [1] https://www.gnu.org/software/dr-geo/
> https://launchpad.net/drgeo/+download
> [2] https://en.wikipedia.org/wiki/International_Phonetic_Alphabet
> On Tue, Oct 3, 2023 at 10:38 AM Gerald Klix <cuis.01 at klix.ch> wrote:
>> On 10/3/23 7:54 AM, Luciano Notarfrancesco via Cuis-dev wrote:
>> On Tue, Oct 3, 2023 at 04:41 H. Hirzel via Cuis-dev <cuis-dev at lists.cuis.st> <cuis-dev at lists.cuis.st>
>> wrote:
>> If I want an epsilon I type
>>     \epsilon<space><backspace>
>> This is in DrGeo 23.06 beta
>> Is this the intended behavior to have to type a <backspace> in addition to
>> the <space> character?
>> Yes, but instead of <space> you can type the character that you actually
>> want after epsilon, so you don’t need to press <backspace> to delete it.
>> For example to write α+β you can type \alpha+\beta, and to write α⊕β you
>> can write \alpha\oplus\beta.
>> There is, as Luciano pointed out, a subtle difference between these
>> two forms of input syntax:
>>     - \someLatexSymbol keeps the next character the user typed (usually a
>>     space)
>>     - \+161 replaces the character sequence in including the space
>> The rationale behind this – seemingly arbitrary – difference in behavior is
>> as follows:
>> The symbol input is meant for Smalltalk code and the operator symbol
>> must be followed by some white-space to denote a one-character binary
>> message selector. If you want to type a multi-character binary
>> selector it also works nicely (See Luciano's explanation).
>> The input of arbitrary Unicode symbols works for every text editor and is
>> meant to enter Unicode characters, everywhere in the text, possible in
>> the middle of a word. It closely mimics the Unicode input
>> methods of the those of many Unix X11 based programs,
>> where you can type Shift-Control-U <hex digits ...> space.
>> HTH and Best Regards,
>> Gerald

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