[NTG-context] Hyphenation patterns

[Hans Hagen]

On 10/9/2020 9:01 AM, Denis Maier wrote:
> Am 09.10.2020 um 08:57 schrieb Taco Hoekwater:
>>
>>> On 9 Oct 2020, at 08:52, Denis Maier <denismaier at mailbox.org> wrote:
>>>
>>> Am 08.10.2020 um 19:05 schrieb Henning Hraban Ramm:
>>>> \starttext
>>>>
>>>> {EN: \en\hyphenatedcoloredword{applicable}}
>>>>
>>>> {DE: \de\hyphenatedcoloredword{applicable}}
>>>>
>>>> \stoptext
>>>>
>>> Wow, that's super helpful. The English pattern seems to be 
>>> "ap-plic-a-ble"
>>> According to Meriam-Webster it should just be "ap·​pli·​ca·​ble".
>>>
>>> {EN: \en\hyphenatedcoloredword{obligate}} gives me "ob-lig-ate"
>>> According to Meriam-Webster it should be "ob·​li·​gate".
>>>
>>> I've had a look at the files mentioned by Tomáš, but as these are not 
>>> just wordlists I can not really tell what is happening.
>>>
>>> So, is that a bug?
>> Not really. hyphenation patterns are a bit like applying JPEG 
>> compression to
>> a dictionary. It makes the data size smaller by recognising patterns 
>> while
>> ignoring outliers.
>>
>> Occasional errors are to be expected, which is why \hyphenation exists.
>>
>>
> I see. I've noticed lang-us.lua has a list of exceptions in it:
>   ["exceptions"]={
>    ["characters"]="abcdefghijlmnoprstuyz",
>    ["data"]="as-so-ciate as-so-ciates dec-li-na-tion oblig-a-tory 
> phil-an-thropic present presents project projects reci-procity 
> re-cog-ni-zance ref-or-ma-tion ret-ri-bu-tion ta-ble",
>    ["length"]=168,
>    ["n"]=14,
>   },
> 
> Would it be possible to add more exceptions to that list as they come 
> up? Or is that inappropriate?
you can add your own runtime in a style:

\hyphenation {fo-ob-ar} \hsize 1mm foobar

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