[NTG-context] Fwd: escaping \ in Lua

5 Sep 2023


      -------- Forwarded Message --------
Subject: Re: [NTG-context] escaping \ in Lua
Date: Tue, 5 Sep 2023 21:00:21 +0200
From: Hans Hagen 
To: Pablo Rodriguez 

On 9/5/2023 6:43 PM, Pablo Rodriguez wrote:
...
Dear list,
I have the following source:
\setupinteraction[state=start, display=new]
   \enabledirectives[references.border=darkgreen]
   \starttext
   \startTEXpage[offset=1dk]
   \attachment[method=hidden, file=a(b).pdf]
   \stopTEXpage
   \stoptext
The name in EmbeddedFiles is "a\(b\).pdf".
Sorry for the obscure question, but how can I access this with
"\goto{link to external}[a(b).pdf]"?
I guess there may be some Lua magic, but I cannot write a proper
":gsub("%(", "%\%("))".
Many thanks for your help,
\goto{link to external}[file(a(b).pdf)]
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