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Latest news 2020-07-03: SmashWords sale (ends 31st July 2020): 50% off crime/SF novel The Private Enemy and 100% off (free!) I’ve Heard the Mermaid Sing.

B.7 Command ... already defined

You have tried to define a command which already exists. Try giving it a different name. Remember never to redefine a command if you don't know what the command originally does.

Alternatively, you have tried to define an environment which already exists. Give the new environment a different name. Again, never redefine an environment where you don't know what the original environment does.


This book is also available as A4 PDF or 12.8cm x 9.6cm PDF or paperback (ISBN 978-1-909440-00-5).

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