\letter {}
  `.', 16
  `\%', 24
  `\%display', 25
  `\%enddisplay', 25
  `\\.', 16
  `\\>', 16
  `\\Appendices', 11, 13
  `\\BeginningOfBook', 11, 12
  `\\Bibliography', 11, 13
  `\\C', 20
  `\\Chapter', 15
  `\\Chapters', 11, 13
  `\\Colophon', 11, 12
  `\\Day', 14
  `\\Declaration', 27
  `\\EndOfBook', 11, 13
  `\\F', 20
  `\\FileHeader', 27
  `\\FrontMatter', 11, 13
  `\\Index', 11, 13
  `\\Mailto', 16
  `\\Month', 14
  `\\N', 20
  `\\OneColumnTableOfContents', 11, 12
  `\\Package', 11, 12, 16
  `\\PseudoInput', 14
  `\\Q', 20
  `\\R', 20
  `\\Section', 15
  `\\TableOfContents', 11, 12
  `\\TitlePage', 11, 12
  `\\Today', 14
  `\\URL', 16
  `\\UseGapDocReferences', 12
  `\\UseReferences', 11, 12
  `\\Year', 14
  `\\Z', 20
  `\\accent127', 16
  `\\atindex', 16
  `\\beginexample', 22
    \sub indicating unstable output, 23
  `\\beginitems', 20
  `\\beginlist', 21
  `\\begintt', 22
  `\\calR', 20
  `\\endexample', 22
  `\\enditems', 20
  `\\endlist', 21
  `\\endtt', 22
  `\\fmark', 16
  `\\index', 16
  `\\indextt', 16
  `\\item', 21
  `\\itemitem', 21
  `\\kernttindent', 16
  `\\lq', 16
  `\\matrix', 23
  `\\nolabel', use in index and label suppression, 15
  `\\null', use in index suppression, 15
  `\\package', 11, 16
  `\\pif', 16
  `\\rq', 16
\letter A
  `A', Attribute mark-up, 16
  Accessing Weak Pointer Objects as Lists, \indexit{53}
  An Example of a GAP Package, \indexit{36}
\letter B
  `bibtex', 26
  `buildman.pe', 27
\letter C
  `C', Category mark-up, 16
  Calling of and Communication with External Binaries, \indexit{39}
  Catering for Plain Text and HTML Formats, \indexit{25}
  Chapters and Sections, \indexit{15}
  command mark-up, 16
  continuation, 24
  Copying Weak Pointer Objects, \indexit{53}
  `CreateCompletionFilesPackage', 40
\letter D
  Declaration and Implementation Part, \indexit{38}
  `DeclareAutoreadableVariables', 40
  DeclareAutoreadableVariables, \indexit{40}
  document formats, for help books, 43
\letter E
  `ElmWPObj', 52
  Examples, Lists, and Verbatim, \indexit{20}
  `ExternalSet', 48
\letter F
  `F', Function mark-up, 16
  File Structure, \indexit{32}
  File Types, \indexit{32}
  Finding Implementations in the Library, \indexit{33}
  foa triples, 46
\letter G
  $G$-sets, 48
  `GAPDocManualLab', 41
  `GAPInfo.Version', 40
  `gapmacro.tex', 11
  Generalized Conjugation Technique, \indexit{54}
  generalized conjugation technique, 54
\letter H
  `HELP_ADD_BOOK', 42
\letter I
  indexing commands, 16
  `init.g', for a GAP package, 38
  In Parent Attributes, \indexit{47}
  `InParentFOA', 48
  Installation of GAP Package Binaries, \indexit{38}
  Installing a Help Book, \indexit{42}
  Introducing new Viewer for the Online Help, \indexit{45}
  `IsBOundElmWPObj', 52
\letter K
  `KeyDependentOperation', 46
  Key Dependent Operations, \indexit{46}
\letter L
  Labels and References, \indexit{15}
  `LengthWPObj', 52
  list environment, compact description, 21
    \sub description, 20
    \sub ordered, 21
    \sub unordered, 21
  Low Level Access Functions for Weak Pointer Objects, \indexit{52}
\letter M
  `makeindex', 26
  `manual.bbl', 26
  `manual.bib', 26
  `manual.dvi', 26
  `manual.lab', 26
  `manual.mst', 26
  `manual.six', 26
  `manual.tex', 26
  `manualindex', 26
  mathematics alignments, 23
  mathematics displays, 23
  `MeetPartitionStrat', 59
  meet strategy, 59
\letter O
  `O', Operation mark-up, 16
  Operation Functions, \indexit{48}
  `OrbitishFO', 49
  `Orbits', 48
  `OrbitsishOperation', 48
  ordered partitions, \indexit{55}
\letter P
  `P', Property mark-up, 16
  Package Completion, \indexit{40}
  Producing a Manual, \indexit{26}
\letter R
  `R', Representation mark-up, 16
  `read.g', for a GAP package, 38
  `README', for a GAP package, 36
  reference to a label, 15
  Requesting one GAP Package from within Another, \indexit{37}
\letter S
  `SetElmWPObj', 52
  Stabilizer Chains for Automorphisms Acting on Enumerators, \indexit{61}
  Standalone Programs in a GAP Package, \indexit{38}
  `StratMeetPartition', 59
  subsection mark-up, 16
  Suppressing Indexing and Labelling of a Section and Resolving Label Clashes, \indexit{15}
\letter T
  tables, 23
  Tables, Displayed Mathematics and Mathematics Alignments, \indexit{23}
  Test for the Existence of GAP Package Binaries, \indexit{39}
  Testing the Examples, \indexit{24}
  TeX Macros, \indexit{16}
  TeX Macros for Domains, \indexit{20}
  The Files of a GAP Package, \indexit{35}
  The GASMAN Interface for Weak Pointer Objects, \indexit{53}
  The General Backtrack Algorithm with Ordered Partitions, \indexit{55}
  The Help Book Handler, \indexit{43}
  The Main File, \indexit{11}
  The manual.six File, \indexit{43}
  The PackageInfo.g File, \indexit{37}
  The WWW Homepage of a Package, \indexit{37}
\letter U
  Umlauts, \indexit{26}
  `UnbindElmWPObj', 52
  Undocumented Variables, \indexit{33}
  Usage of the Percent Symbol, \indexit{24}
  Using buildman.pe, \indexit{27}
\letter V
  `V', (global) Variable mark-up, 16
  verbatim environments, 22
  Version Numbers, \indexit{40}
\letter W
  `WeakPointerObj', 51
  WeakPointerObj, \indexit{51}
  Weak Pointer Objects, \indexit{51}
  Wrapping Up a GAP Package, \indexit{41}
  Writing Documentation, \indexit{36}
\letter Z
  `zoo', 41