numberedblock (20mar13)

git-svn-id: svn://tug.org/texlive/trunk@29447 c570f23f-e606-0410-a88d-b1316a301751

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+\documentclass[10pt]{article}
+\usepackage{numberedblock}
+
+\begin{document}
+
+\parindent 0.3in
+%\setlength\maxblocklabelsize{-.4in}
+\setlength\blockindent{0.0in}
+
+This is a test of the \textsf{numberedblock} style packcage, which is
+specially designed to produce sequentially numbered BLOCKS of code (note
+the individual code lines are not numbered, but the whole block gets a
+single number, for later reference (much in the same way that equations
+can get numbered in a document).  While specialized for numbering code
+blocks, the commands can actually number other items, as well, in fact
+anything that fits in a \LaTeX{} box.
+
+If the code block contains no special characters, one can simply use the
+command form, called \verb,\numblock,.  It cannot handle verbatim text,
+but must use standard \LaTeX{} escape sequences (for line breaks,
+contiguous spaces, special characters, etc.).  It puts the output in a
+tt font , which is the same used in the verbatim environment:
+
+\numblock{This text is the\\argument to the command\\where double
+slashes have been\\used for line breaks}
+
+Most useful, however, there is also the \verb,numVblock, environment,
+which handles verbatim text, as seen in the next example:
+
+\begin{numVblock}
+This is the numVblock 
+environment, which         (<--see contiguous spaces here)
+succeeds in
+incorporating verbatim text like
+@##$%*$%$()||}{?><\\\
+\end{numVblock}
+
+As envisioned the \verb,numVblock, environment would be ideally suited
+for displaying small code blocks as part of documentation.  The code can
+contain contiguous spaces and special characters:
+
+\begin{numVblock}
+      program test
+      implicit none
+      integer a, x
+c$$$$$$$$$$$$$$$$$$$$$$$$$
+      a = 0
+      x = 1
+   10 a = a + x
+      if (a .eq. 100) stop
+      goto 10
+      end
+\end{numVblock}
+
+Below, I test the \verb,\numblock, command with the argument as a
+box, rather than as formatted text.
+
+\numblock{\fbox{Testing, 1,2,3 testing a box}}
+
+Don't forget, there are settable parameters to define the block
+left-indent, the format of the label, and (if needed) the labels' max
+width/placement.
+
+\end{document}