[macros, std] Remove unused "tabular bnf" macros.

Author: tkoeppe

source/macros.tex

@@ -428,13 +428,13 @@
 \setlength{\BnfRest}{2\BnfIndent}
 \newcommand{\BnfNontermshape}{\small\rmfamily\itshape}
 \newcommand{\BnfTermshape}{\small\ttfamily\upshape}
-\newcommand{\bnfindent}{\hspace*{\bnfindentfirst}}
 
 \newenvironment{bnfbase}
  {
  \newcommand{\nontermdef}[1]{{\BnfNontermshape##1\itcorr}\indexgrammar{\idxgram{##1}}\textnormal{:}}
  \newcommand{\terminal}[1]{{\BnfTermshape ##1}}
  \newcommand{\descr}[1]{\textnormal{##1}}
+ \newcommand{\bnfindent}{\hspace*{\bnfindentfirst}}
  \newcommand{\bnfindentfirst}{\BnfIndent}
  \newcommand{\bnfindentinc}{\BnfInc}
  \newcommand{\bnfindentrest}{\BnfRest}
@@ -446,35 +446,6 @@
  \nonfrenchspacing
  }
 
-\newenvironment{BnfTabBase}[2]
-{
- \begin{bnfbase}
- #1
- \begin{indented}
- \begin{tabbing}
- \hspace*{\bnfindentfirst}\=\hspace{#2}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\hspace{.6in}\=\kill}
-{
- \end{tabbing}
- \end{indented}
- \end{bnfbase}
-}
-
-\newenvironment{bnfkeywordtab}
-{
- \begin{BnfTabBase}{\BnfTermshape}{.6in}
-}
-{
- \end{BnfTabBase}
-}
-
-\newenvironment{bnftab}
-{
- \begin{BnfTabBase}{\BnfNontermshape}{\bnfindentinc}
-}
-{
- \end{BnfTabBase}
-}
-
 \newenvironment{simplebnf}
 {
  \begin{bnfbase}
@@ -499,8 +470,6 @@
 }
 
 % non-copied versions of bnf environments
-\let\ncbnftab\bnftab
-\let\endncbnftab\endbnftab
 \let\ncsimplebnf\simplebnf
 \let\endncsimplebnf\endsimplebnf
 \let\ncbnf\bnf

source/std.tex

@@ -43,7 +43,7 @@
             plainpages=false
            ]{hyperref}
 \usepackage{memhfixc}     % fix interactions between hyperref and memoir
-\usepackage[active,header=false,handles=false,copydocumentclass=false,generate=std-gram.ext,extract-cmdline={gramSec},extract-env={bnftab,simplebnf,bnf,bnfkeywordtab}]{extract} % Grammar extraction
+\usepackage[active,header=false,handles=false,copydocumentclass=false,generate=std-gram.ext,extract-cmdline={gramSec},extract-env={bnf,simplebnf}]{extract} % Grammar extraction
 
 \pdfminorversion=5
 \pdfcompresslevel=9