[NTG-context] How do I handle strings with " characters in it in METAPOST?

[Wolfgang Schuster]

Gerben Wierda schrieb am 29.03.2020 um 14:30:
> 
> 
>> On 29 Mar 2020, at 12:58, Wolfgang Schuster <wolfgang.schuster.lists at gmail.com> wrote:
>>
>> Gerben Wierda schrieb am 29.03.2020 um 12:52:
>>> I am using MetaFun (Lua code) to create METAPOST commands from an XML file. One of the issues I am running into that in METAPOST I have to handle strings with " characters in them and METAPOST doesn’t like those. The argument using the string
>>> Foo "Bar” Foo
>>
>>      ^^^
>>
>> Use correct left quotation marks or \quotation{…}.
> 
> I’m not hard coding the string, I’m reading it from an XML. So, whatever I do, I need to do it by manipulating the string.
> 
> E.g. if the string I read contains
> 
> Foo "Bar” Foo
> 
> your suggestion means  I have to programmatically change that to
> 
> Foo \quotation{Bar} Foo
> 
> which is too complicated, given that I don’t have regular expression replace at my disposal.
> 
> I might be able to change al “ instances into something else by walking through the string and building a new one.

Your example uses " before Bar and not “ which is the problem.

Wolfgang