\ifx\abbrloaded\relax
    \let\next=\endinput
\else
    \let\next=\relax
\fi

\next

\let\abbrloaded=y

\def\<#1>{%
    \expandafter\ifx\csname<#1>\endcsname\relax
        \errmessage{abbreviation <#1> undefined!}%
    \else
        \csname<#1>\endcsname
    \fi
}

\def\abbrA#1#2#3{%
    \expandafter\def\csname<#1>\endcsname{#2}%
}

\def\abbrB#1#2#3{%
    \def\abbrdef{#3}%
    \ifx\abbrdef\empty
        \expandafter\def\csname<#1>\endcsname{#2}%
    \else
        \expandafter\def\csname<#1>\endcsname{#3}%
    \fi
}

\ifx\HCode\undefined % tex4ht is not being used
    \let\abbr=\abbrA
\else 
    \let\abbr=\abbrB
\fi

\abbr{.}{.\,}{}
\abbr{3B2}{3B2}{}
\abbr{A2AC}{\texttt{a2ac}}{}
\abbr{ADOBE}{Adobe}{}
\abbr{AFM}{AFM}{}
\abbr{AFM}{AFM}{}
\abbr{AMIGA}{Amiga}{}
\abbr{AND}{\char038\relax}{&}
\abbr{APACHE}{Apache}{}
\abbr{AR}{Acrobat Reader}{}
\abbr{ASCII}{ASCII}{}
\abbr{BASH}{Bash}{}
\abbr{BLUESKY}{BlueSky}{}
\abbr{BS}{\char92}{}
\abbr{bull}{$\bullet$}{}
\abbr{C}{C}{}
\abbr{CMACTEX}{CMac\TeX}{CMacTeX}
\abbr{CM}{Computer Modern}{}
\abbr{CMR}{CMR}{}
\abbr{CMSS}{CMSS}{}
\abbr{CMSUPER}{CM-Super}{}
\abbr{CPP}{C++}{}
\abbr{CS}{CS}{}
\abbr{DANTE}{DANTE}{}
\abbr{DEBIAN}{Debian}{}
\abbr{DHSP}{ÐHSP}{}
\abbr{DJBDNS}{\textsf{djbdns}}{}
\abbr{DJGPP}{DJGPP}{}
\abbr{DNSCACHE}{\textsf{dnscache}}{}
\abbr{DOS}{DOS}{}
\abbr{DOTNET}{Visual~.NET}{}
\abbr{...}{\dots}{}
\abbr{DTP}{DTP}{}
\abbr{DVI}{DVI}{}
\abbr{DVIPDFM}{\textsf{dvipdfm}}{}
\abbr{DVIPS}{\textsf{dvips}}{}
\abbr{EC}{EC}{}
\abbr{EK}{\textit{{\Large$\varepsilon$\kern-.1em}k}}{}
\abbr{ELIB}{eLib}{}
\abbr{EMACS}{Emacs}{}
\abbr{EMAIL}{Email}{}
\abbr{EOF}{EOF}{}
\abbr{ET5}{ET5}{}
% \abbr{ETEX}{$\varepsilon$-\TeX}{eTeX}
\abbr{ETEX}{e\TeX}{eTeX}
\abbr{EUROTEX}{Euro\TeX}{EuroTeX}
\abbr{FLOITEX}{Floi\TeX}{}
\abbr{FMP}{FMP}{}
\abbr{FONTINST}{\texttt{fontinst}}{}
\abbr{FONTLAB}{FontLab}{}
\abbr{FPTEX}{fp\TeX}{}
\abbr{FTP}{Ftp}{}
\abbr{GCC}{GCC}{}
\abbr{GOOGLE}{Google}{}
\abbr{GS}{\textsf{ghostscript}}{}
\abbr{GUST}{GUST}{}
\abbr{GUT}{GUTenberg}{}
\abbr{GVSBK}{GVSBK}{}
\abbr{HCMUP}{HCMUP}{}
\abbr{HJ}{H\kern.1em<AND>\kern.1emJ}{}
\abbr{HREF}{hyperref}{}
\abbr{HSQL}{HSQL}{}
\abbr{HTML}{HTML}{}
\abbr{HZ}{\textit{hz}}{}
\abbr{ID}{InDesign}{}
\abbr{IIS}{IIS}{}
\abbr{INTERNET}{Internet}{}
\abbr{JAVA}{Java}{}
\abbr{JP}{\textit{jp}}{}
\abbr{KF}{\textit{kf\kern-.05em}}{}
\abbr{KR}{\textit{K$\varrho$}}{}
\abbr{LATEX}{\LaTeX}{LaTeX}
\abbr{LDAP}{LDAP}{}
\abbr{LF}{\textrm{\it letter\!\_\kern.1emfit}}{}
\abbr{LIBPNG}{LIBPNG}{}
\abbr{LIBTIFF}{LIBTIFF}{}
\abbr{LINUX}{Linux}{}
\abbr{LISP}{LISP}{}
\abbr{LM}{LM}{LM}
\abbr{M2}{\,m$^2$}{}
\abbr{MAC}{Macintosh}{}
\abbr{MF}{\MF}{}
\abbr{MG}{MetaFog}{}
\abbr{MIKTEX}{Mik\TeX}{MikTeX}
\abbr{MIRKA}{Miroslava Mis\'akov\'a}{}
\abbr{MMINSTANCE}{MMInstance}{}
\abbr{MM}{Multiple Master}{}
\abbr{MMTOOLS}{MMTOOLS}{}
\abbr{MP}{\MP}{}
\abbr{MVISCII}{Mac VISCII}{}
\abbr{MYSQL}{MySQL}{}
\abbr{NL}{\hfil\break}{}
\abbr{NTG}{NTG}{}
\abbr{NTS}{NTS}{}
\abbr{OMEGA}{$\Omega$}{}
\abbr{OPENTYPE}{OpenType}{}
\abbr{PASCAL}{Pascal}{}
\abbr{PDFETEX}{pdf\<ETEX>}{pdfeTeX}
\abbr{PDF}{PDF}{}
\abbr{PDFTEX}{pdf\TeX}{pdfTeX}
\abbr{PDFLATEX}{pdf\LaTeX}{pdfLaTeX}
\abbr{PDFXTEX}{pdfx\kern-.1em\TeX}{pdfxTeX}
\abbr{CONTEXT}{Con\TeX{}t}{ConTeXt}
\abbr{PERCENT}{\unskip\,\%}{}
\abbr{PERL}{Perl}{}
\abbr{PFA}{PFA}{}
\abbr{PFB}{PFB}{}
\abbr{PHP}{PHP}{}
\abbr{PK}{PK}{}
\abbr{PLAIN}{plain \TeX}{plain TeX}
\abbr{POSTGRESQL}{PostgreSQL}{}
\abbr{PROSPER}{Prosper}{}
\abbr{PS}{PS}{}
\abbr{RA}{$\longrightarrow$}{-->}
\abbr{RESIN}{Resin}{}
\abbr{SGML}{SGML}{}
\abbr{SP}{\hskip1cm}{}
\abbr{STL}{STL}{}
\abbr{T1}{Type\nobreak\,1}{}
\abbr{T3}{Type\nobreak\,3}{}
\abbr{T5}{T5}{}
\abbr{TCVN}{TCVN1}{}
\abbr{TCX}{TCX}{}
\abbr{TETEX}{\textsf{te\TeX}}{teTeX}
\abbr{TEX4HT}{\TeX{}4ht}{TeX4ht}
\abbr{TEXINFO}{\texttt{texinfo}}{}
\abbr{TEXLIVE}{\TeX{}Live}{TeXLive}
\abbr{TEXME}{\TeX{}Me}{TeXMe}
\abbr{TEXMF}{\textsf{texmf}}{}
\abbr{TEXNICCENTER}{TeXnicCenter}{}
\abbr{TEX}{\TeX}{TeX}
\abbr{TEXTRACE}{\TeX{}trace}{TeXtrace}
\abbr{TFM}{TFM}{}
\abbr{TFTOPL}{TFtoPL}{}
\abbr{THANH}{H\`an Th\^e\llap{\raise 0.5ex\hbox{\'{}}} Th\`anh}{Han The Thanh}
\abbr{TINYDNS}{\textsf{tinydns}}{}
\abbr{TOMCAT}{Tomcat}{}
\abbr{TPHCM}{Tp.\,HCM}{}
\abbr{TRUETYPE}{True\kern-.1em Type}{TrueType}
\abbr{TUG}{TUG}{}
\abbr{UNICODE}{Unicode}{}
\abbr{UNIKEY}{Unikey}{}
\abbr{UNIX}{UNIX}{}
\abbr{UPORTAL}{uPortal}{}
\abbr{URW}{URW}{}
\abbr{URWVN}{URWVN}{}
\abbr{UTF8}{UTF8}{}
\abbr{VB}{Visual Basic}{}
\abbr{VC6}{Visual~C++~6.0}{}
\abbr{VIETLUG}{VietLUG}{}
\abbr{VIM}{Vim}{}
\abbr{VIM}{Vim}{}
\abbr{VISCII}{VISCII}{}
\abbr{VI}{Vi}{}
\abbr{VNCMR}{\textsf{vncmr}}{}
\abbr{VNI}{VNI}{}
\abbr{VNR}{VNR}{}
\abbr{VNTEX}{V\kern-.1em n\TeX}{VnTeX}
\abbr{VPS}{VPS}{}
\abbr{WC}{Windows Commander}{}
\abbr{WEB}{Web}{}
\abbr{WIN32}{Win32}{}
\abbr{WINDOWS}{Windows}{}
\abbr{WINEDT}{WinEdt}{}
\abbr{WWW}{WWW}{}
\abbr{XEMACS}{XEmacs}{}
\abbr{XEMTEX}{Xem\TeX}{XemTeX}
\abbr{XML}{XML}{}
\abbr{XPDF}{XPDF}{}
\abbr{YANDY}{Y<AND>Y}{}
\abbr{ZLIB}{ZLIB}{}
\abbr{EMAIL}{Email}{}
\abbr{WEBSITE}{Website}{}
\abbr{ASP}{ASP}{}
\abbr{FRONTPAGE}{FrontPage}{}
\abbr{DRW}{DreamWeaver}{}
\abbr{ABC}{ABC}{}
\abbr{VNI}{VNI}{}
\abbr{CTAN}{CTAN}{}
\abbr{PDFCPROT}{\textsf{pdfcprot}}{}
\abbr{PDFEXPAND}{\textsf{pdfexpand}}{}
\abbr{MICROTYPE}{\textsf{microtype}}{}
\abbr{PDFFONTS}{\textsf{pdffonts}}{}
\abbr{AFM2TFM}{\textsf{afm2tfm}}{}
\abbr{VF}{VF}{}
\abbr{TUGBOAT}{TUGboat}{}
\abbr{PSTRICKS}{\textsf{PStricks}}{}
\abbr{WEB2C}{\textsf{web2c}}{}
\abbr{IE}{i.\,e.\,\ignorespaces}{}
\abbr{ie}{i.\,e.\,\ignorespaces}{}
\abbr{GNU}{GNU}{}
\abbr{LIBAVL}{\textsf{libAVL}}{}
\abbr{TTF2AFM}{\textsf{ttf2afm}}{}
\abbr{PDFSYNC}{\textsf{pdfsync}}{}
\abbr{CFF}{CFF}{}
\abbr{GNOME}{GNOME}{}
\abbr{SGLUG}{SaigonLUG}{}
\abbr{SAIGON}{Sài Gòn}{}
\abbr{SQL}{SQL}{}

\endinput