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- ---------Documentation README file------------
- For those of you not making documentation changes or installing
- the help system just print out gnuplot.doc and ignore the remaining
- information.
-
- The documentation for gnuplot is intended to be maintained either
- by directly updating help files in the help tree or by updating a
- master .hlp file. (The intent is to leave it up to the individual
- to choose how to maintain the documentation.) The master .hlp file
- (gnuplot.hlp) is a representation of the directory help tree. The
- program helptree.c will either convert a help tree into a flat file
- or take such a flat file and put it back into a help tree. The help
- tree format is used on unix and MSDOS machines in conjunction with
- the standalone ``help'' program to provide the gnuplot help facility.
- The flat file gnuplot.hlp is used on VMS machines to provide the
- gnuplot help facility (using VMS help routines).
-
- Unix and MSDOS machines still need the gnuplot.hlp file, even though
- it is not used directly in the help system. For one thing, flat
- files are easier to move to another machine. For another, the file
- gnuplot.doc (a printable manual) can be built out of gnuplot.hlp as
- follows:
-
- hlp2ms <gnuplot.hlp >gnuplot.ms
- nroff -ms gnuplot.ms |col -h >gnuplot.doc
-
- To build a help system on unix for gnuplot first build Roland Stolfa's
- help program and install it in /usr/local/bin. Gnuplot looks for either
- /usr/local/bin/help or the environment symbol GNUHELP--if it is not
- possible to install help in /usr/local/bin. Stolfa's help system assumes
- a help tree under /usr/local/help or a directory pointed to by the
- environment symbol HELPDIR. The gnuplot help tree can be created out of
- gnuplot.hlp using the following command:
-
- helptree -t /usr/local/help/gnuplot <gnuplot.hlp
-