The bundle comprises packages to provide: accsupp: better accessibility support for PDF files; aliascnt: ‘alias counters’; alphalph: multiple-alphabetic counting (a…z,aa…zz,… — up to the full extent of a TeX counter); askinclude: replaces \includeonly by an interactive user interface; atbegshi: a modern reimplementation of package everyshi; atenddvi: provides \AtEndDvi command; attachfile2: attach files to PDF files; atveryend: hooks the very end of a document; auxhook: stick stuff at the start of the .aux file; bigintcalc: expandable arithmetic operations with big integers that can exceed TeX's number limits; bitset: defines and implements the data type bit set, a vector of bits; bmpsize: get bitmap size and resolution data; bookmark: alternative bookmark (outline) organization for package hyperref; catchfile: collects the contents of a file and puts it in a macro; centernot: a horizontally-centred \not symbol; chemarr: extensible chemists’ reaction arrows; classlist: record information about document class(es) used; colonequals: poor man’s mathematical relation symbols; dvipscol: dvips colour stack management; embedfile: embed files in PDF documents; engord: define counter-printing operations producing English ordinals; eolgrab: collect arguments delimited by end of line; epstopdf: conversion with epstopdf on the fly; etexcmds: adds a prefix to eTeX’s commands, to avoid conflicts with existing macros; flags: setting and clearing flags in bit fields and converting the bit field into a decimal number; gettitlestring: clean up the string containing the title of a section, etc.; grfext: macros for adding and reordering the list of graphics file extensions recognised by the graphics package; grffile: extend file name processing in the graphics bundle; hosub: build collections of packages; holtxdoc: extra documentation macros; hologo: bookmark-enabled logos; hopatch: safely apply package patches; hycolor: implements the color option stuff that is used by packages hyperref and bookmark; hypbmsec: bookmarks in sectioning commands; hypcap: anjusting anchors of captions; hypdestopt: optimising hyperref’s pdftex driver destinations; hypdoc: hyper-references in the LaTeX standard doc package; hypgotoe: experimental package for links to embedded files; hyphsubst: substitute hyphenation patterns; ifdraft: switch for option draft; iflang: provides expandable checks for the current language; ifluatex: looks for LuaTeX regardless of its mode and provides the switch \ifluatex; ifpdf: provides the ifpdf switch; ifvtex: provides the \ifvtex switch; infwarerr: provides a complete set of macros for informations, warnings and error messages with support for plain TeX; inputenx: enhanced handling of input encoding; intcalc: provides expandable arithmetic operations with integers; kvdefinekeys: define key-value keys in the same manner as keyval; kvoptions: use package options in key value format ; kvsetkeys: a variant of the \setkeys command; letltxmacro: Let assignment for LaTeX macros; listingsutf8: (partially) extends the listings package to UTF-8 encoding; ltxcmds: exports some utility macros from the LaTeX kernel into a separate namespace and also provides them for other formats such as plain-TeX; – luacolor: implements colour support based on LuaTeX’s node attributes; luatex: utilises new and extended features and resources that LuaTeX provides; magicnum: allows to access magic numbers by a hierarchical name system; makerobust: make a command robust; pagegrid: prints a page grid in the background; pagesel: select pages of a document for output; pdfcolfoot: using pdftex’s color stack for footnotes; pdfcol: macros for setting and maintaining new color stacks; pdfcolmk: PDFTeX COLour MarK — fake a PDFTeX colour stack using marks (not needed for PDFTeX 1.40.0 and later); pdfcolparallel: fixes colour problems in package parallel; pdfcolparcolumns: fixes colour problems in package parcolumns; pdfcrypt: setting PDF encryption; pdfescape: pdfTeX’s escape features using TeX or e-TeX; pdflscape: landscape pages in PDF; pdfrender: control PDF rendering modes; pdftexcmds: provide PDFTeX primitives missing in LuaTeX; picture: dimens for picture macros; pmboxdraw: poor man’s box drawing characters; protecteddef: define a command that protected against expansion; refcount: using the numeric values of references; rerunfilecheck: checksum based rerun checks on auxiliary files; resizegather: automatically resize overly large equations; rotchiffre: performs simple rotation cyphers; scrindex: redefines environment ‘theindex’ of package ‘index’, if a class from KOMA-Script is loaded; selinput: select the input encoding by specifying pairs of input characters and their glyph names; setouterhbox: set \hbox in outer horizontal mode; settobox: getting box sizes; soulutf8: extends package soul and adds some support for UTF-8; stackrel: extensions of the \stackrel command; stampinclude: selects the files for \include by inspecting the timestamp of the .aux file(s); stringenc: provides \StringEncodingConvert for converting a string between different encodings; tabularht: tabulars with height specification; tabularkv: key value interface for tabular parameters; telprint: print German telephone numbers; thepdfnumber: canonical numbers for use in PDF files and elsewhere; transparent: using a color stack for transparency with pdftex; twoopt: commands with two optional arguments; uniquecounter: provides unlimited unique counter; zref: a proposed new reference system. Each of the packages is represented by two files, a .dtx (documented source) and a PDF file; the .ins file necessary for installation is extracted by running the .dtx file with Plain TeX.