/usr/share/plplot_octave/title.m is in octave-plplot 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | ## Copyright (C) 1998-2003 Joao Cardoso.
##
## This program is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## This file is part of plplot_octave.
## usage: title (text)
##
## Defines a title for the next plots
## The special character `#' followed by another special character may be
## used for special text manipulation, eg ';x#u2#d;' prints `x^2' in math,
## and `title("#gS#u5#b#d#dn=1#u") prints \sum_{n=1}^{5}.
##
## #u superscript, end with #d
## #d subscript, end with #u
## #b backspace
## ## # itself
## #+ toogle overline mode
## #- toogle underline mode
## #gx greek letter x
## #fn switch to normal font
## #fr switch to roman font
## #fi switch to italic font
## #fs switch to script font
## #(nnn) hershey character nnn
##
## For special fonts, the extended charset must be loaded first,
## use `plfontld(1)' to set, and `plfontld(0)' to return to normal.
##
## See also: xlabel, ylabel, zlabel
function text = title (text)
global __pl
global pl_automatic_replot
strm = __pl_init;
if (nargin > 1)
usage ("title (text)");
endif
if (nargin == 1 && isempty(text))
text = " ";
endif
if (nargin == 0)
text = __pl.tlabel(strm,:);
else
__pl.tlabel = __pl_matstr(__pl.tlabel, text, strm);
endif
if (exist("pl_automatic_replot"))
if (pl_automatic_replot)
__pl_plotit;
endif
endif
endfunction
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