From: Hans Hagen <j.hagen@xs4all.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>,
Steffen Wolfrum <context@st.estfiles.de>
Subject: Re: Invalid keyword \spaceskip
Date: Sun, 27 Jun 2021 13:40:58 +0200 [thread overview]
Message-ID: <1d3ffddb-c28b-0397-fa4c-e10cd6e7854f@xs4all.nl> (raw)
In-Reply-To: <CA98BBFE-3570-4093-9D8D-CB14CD85BAA5@st.estfiles.de>
On 6/27/2021 11:36 AM, Steffen Wolfrum wrote:
>
>
>> Am 27.06.2021 um 09:16 schrieb Hans Hagen <j.hagen@xs4all.nl>:
>>
>> On 6/26/2021 11:56 PM, Wolfgang Schuster wrote:
>>> Steffen Wolfrum schrieb am 26.06.2021 um 23:38:
>>>>> Am 26.06.2021 um 22:43 schrieb Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>:
>>>>>
>>>>> Steffen Wolfrum schrieb am 26.06.2021 um 22:26:
>>>>>> PS: with
>>>>>>
>>>>>> % engine=luatex
>>>>>>
>>>>>> it works fine.
>>>>> Add \relax after the last skip value, i.e.
>>>>>
>>>>> \spaceskip = 1pt plus 1pt minus 1.5pt\relax
>>>>>
>>>>> LMTX allows multiple plus and minus values for a skip value and the M in Matilda starts the scan for an additional minus value.
>>>> Wow, this sounds interesting. Is there an example of how to use multiple values?
>>> I think the only examples are in mails from Hans. When you set multiple plus or minus values (as far as i remember) only the last setting is used and all previous ones are ignored.
>> Maybe in some article. Anyway, here is an example:
>>
>> \starttext
>> test \skip0=10pt plus 10pt minus 10pt plus 20pt
>>
>> test \skip0=10pt plus 10pt plus 20pt minus 10pt
>>
>> test \vrule width 10pt height 10pt depth 10pt depth 10pt height 10pt
>>
>> % test \hbox to 10pt to 10pt {x}
>>
>> \stoptext
>>
>> compare pdftex and luametatex.
>
>
> ok. but why does this run fine
>
> \starttext
>
> Test \spaceskip = 1.0pt plus 1pt minus 1.5pt Wolfgang
>
> \stoptext
>
>
> while this ends in an error message?
>
>
> \starttext
>
> Test \spaceskip = 1.0pt plus 1pt minus 1.5pt Matilda
>
> \stoptext
because scanning is case insensitive so the m triggeres the keyword
error ... keep in mind that by omitting a \relax you've always been
lucky so far (probably no follow up texts that had plus or minus) ..
luametatex just warns earlier
Hans
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prev parent reply other threads:[~2021-06-27 11:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-26 20:12 Steffen Wolfrum
2021-06-26 20:26 ` Steffen Wolfrum
2021-06-26 20:43 ` Wolfgang Schuster
2021-06-26 21:38 ` Steffen Wolfrum
2021-06-26 21:56 ` Wolfgang Schuster
2021-06-27 7:16 ` Hans Hagen
2021-06-27 9:36 ` Steffen Wolfrum
2021-06-27 11:40 ` Hans Hagen [this message]
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