[texhax] trying to modify book.cls to automatically add TOC entry for \chapter* gives errors

Niall Mansfield texhax at uit.co.uk
Wed May 7 18:12:19 CEST 2008

- Using book.cls
- Want to change \chapter*{} in order to:
	* add a TOC entry
	* set the running heads
   so that we can use \chapter*{} for Preface, Foreword,
   Glossary, etc.

The definition we took from book.cls is, after simplifying:


If we change that to do either of the things we want, e.g.:


we get error:

   ! TeX capacity exceeded, sorry [input stack size=300].
   \originalTeX ->\noextrasenglish
				  \let \originalTeX \@empty \lefthyphenmin =2\...
   l.1 \select at language {english}

or, if we clear out the existing .toc file first, we get:

   No file authdns.toc.
   ! Undefined control sequence.
   \\->\let \reserved at e
		       \relax \let \reserved at f \relax \@ifstar {\let \reserved...
   l.60 \listoftables

However, if we change the added line to:


then it "works", i.e. runs without error, but it's useless
of course.  The same pattern happens when we try to insert
into \@schapter.

I assume I'm doing something stupid, but I'm so confused
after trying this for hours that I can't think how to
start tracking it down.  Help!

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