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FAQs   
Release Information   
Getting Help   
Basic Concepts   
Result Parameters   
XML Support   
Files   
   - AUX List   
   - Inferred Content   
   - Qualifiers   
   - File Trimmers   
   - Access from Macros   
   - Blue Files   
      - File Structure   
      - FileTypes   
         - Type 1000 Files   
         - Type 2000 Files   
         - Type 3000 Files   
         - Type 5000 Files   
         - Type 6000 Files   
      - Header Content   
         - Basic Header   
         - Adjunct Header   
         - Extended Header   
System Operation   
Macros   
Java WebStart   
Graphics   
X-Midas Interoperability   
Third-Party Compatibility   
Installation and Customization   
Running NeXtMidas Independently   
Timelines - Keywords, Updating, Known Issues   
WebSwing to deploy NeXtMidas as a Web App   
Glossary   
Installing and Using Docker   
Using Gradle To Build NextMidas   
NeXtMidas Support for Continous Integrations with GitLab   


Extended Header

The extended header holds more information than is carried in the standard header and expands as needed. It contains ASCII or numeric data in a free format accessed by a keyword. Each header field consists of a keyword followed by the field value. Except for several predefined keywords, a user or application is free to define its own keywords and store whatever data it wishes in the extended header. If you plan to share your data or your application, you should choose distinctive keywords and publish them for everyone to see.

At the NeXtMidas shell prompt (nM>), type EXPL KEYWORD to view reserved keywords and to learn how to add, modify or delete keywords.


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