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<?xml version="1.0" encoding="UTF-8"?>
<!--

 This file is part of GtkSourceView

 Authors: Søren Hauberg, Muthiah Annamalai, Carnë Draug
 Copyright (C) 2006 Søren Hauberg <soren@hauberg.org>
 Copyright (C) 2006 Muthiah Annamalai <gnumuthu@users.sf.net>
 Copyright (C) 2010 Carnë Draug <carandraug+dev@gmail.com>

 GtkSourceView is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 GtkSourceView 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
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

-->
<language id="octave" _name="Octave" version="2.0" _section="Scientific">
  <metadata>
    <property name="mimetypes">text/x-octave;text/x-matlab</property>
    <property name="globs">*.m</property>
    <property name="line-comment-start">#</property>
    <property name="block-comment-start">#{</property>
    <property name="block-comment-end">}#</property>
  </metadata>

  <!--
    Note: Matlab language is a subset of the Octave language. When making
    modification to this file check first if they apply to both languages.
  -->

  <styles>
    <style id="comment"           _name="Comment"           map-to="def:comment"/>
    <style id="string"            _name="String"            map-to="def:string"/>
    <style id="operator"          _name="Operator"          map-to="def:operator"/>
    <style id="data-type"         _name="Data type"         map-to="def:type"/>
    <style id="storage-type"      _name="Storage Type"      map-to="def:type"/>
    <style id="boolean"           _name="Boolean"           map-to="def:boolean"/>
    <style id="decimal"           _name="Decimal"           map-to="def:decimal"/>
    <style id="floating-point"    _name="Floating Point"    map-to="def:floating-point"/>
    <style id="base-n-integer"    _name="Base-N Integer"    map-to="def:base-n-integer"/>
    <style id="package-manager"   _name="Package Manager"   map-to="def:preprocessor"/>
    <style id="keyword"          _name="Keyword"           map-to="def:keyword"/>
    <style id="variable"          _name="Variable"          map-to="def:identifier"/>
    <style id="reserved-constant" _name="Reserved Constant" map-to="def:special-constant"/>
    <style id="builtin"           _name="Builtin"           map-to="def:builtin"/>
  </styles>

  <definitions>

    <context id="block-comment" style-ref="comment" class="comment" class-disabled="no-spell-check">
      <start>^\s*[#%]{\s*$</start>
      <end>^\s*[#%]}\s*$</end>
      <include>
        <context ref="block-comment"/>
        <context ref="def:in-comment"/>
      </include>
    </context>

    <context id="line-comment" style-ref="comment" end-at-line-end="true" class="comment" class-disabled="no-spell-check">
      <start>#|%</start>
      <include>
        <context ref="def:in-comment"/>
      </include>
    </context>

    <!--
      Line continue in Octave are different from the one in def.lang. They can
      either be  ... or \ optionally followed by whitespace only.
    -->
    <context id="line-continue" style-ref="comment">
      <start>(\.\.\.|\\)(\s)*?$</start>
      <end>^</end>
      <include>
        <context ref="def:in-comment"/>
      </include>
    </context>

    <context id="double-quoted-string" style-ref="string" end-at-line-end="true" class="string" class-disabled="no-spell-check">
      <start>"</start>
      <end>"</end>
      <include>
         <!-- octave uses the same printf format and escape chars as C -->
        <context ref="c:printf"/>
        <context ref="c:escaped-character"/>
        <context ref="line-continue"/>
      </include>
    </context>

    <context id="single-quoted-string" style-ref="string" end-at-line-end="true" class="string" class-disabled="no-spell-check">
      <!--
         To do not misdetect the transpose operator ' as the start of a string
         we assert to not follow a variable name (letters, digits and underscores)
         or a closing bracket (round, square or curly) or a dot (to form the
         array transpose operator ".'" ).
      -->
      <start>(?&lt;![0-9a-zA-Z_\)\]}\.])'</start>
      <end>'</end>
      <include>
        <context style-ref="def:special-char">
          <!--
            Unlike double quoted string, single quote strings in octave do not
            allow continuation lines or escaped characters. The only escape
            necessary is the single quote itself which is escaped with two
            single quotes.
          -->
          <match>''</match>
        </context>
      </include>
    </context>

    <!--To see the list of operators, use the function __operators__-->
    <context id="operator" style-ref="operator">
      <match extended="true">
        (\.)?\+{1,2}?(?!\+) |   # arithmetic operators
        (\.)?\-{1,2}?(?!\-) |   # already counting
        (\.)?\*{1,2}?(?!\*) |   # with auto increment,
        (\.)?\/(?!\^) |         # element by element,
        (\.)?\\(?!\^) |         # left division
        (\.)?\^(?!\^) |         # and both exp
        (?&lt;=[0-9a-zA-Z_)\]}])(\.)?' |                  # transpose operator
        &lt;=? | &gt;=? | != | ~= | == | &lt;&gt; |       # comparison operators
        &amp;{1,2}?(?!&amp;) | \|{1,2}?(?!\|) | ! | ~ |   # boolean operators
        = |                                               # assignment operator
        : |                                               # range operator
      </match>
    </context>

    <context id="data-type" style-ref="data-type">
      <keyword>cell</keyword>
      <keyword>char</keyword>
      <keyword>double</keyword>
      <keyword>(u)?int(8|16|32|64)</keyword>
      <keyword>logical</keyword>
      <keyword>single</keyword>
      <keyword>struct</keyword>
    </context>

    <context id="function-handle" style-ref="data-type">
      <match case-sensitive="false">@([a-z_][a-z1-9_]*)?</match>
    </context>

    <context id="storage-type" style-ref="storage-type">
      <keyword>global</keyword>
      <keyword>persistent</keyword>
    </context>

    <context id="boolean" style-ref="boolean">
      <!--
        false and true can be used as functions too. Do not highlight as boolean
        if followed by parentheses.
      -->
      <suffix>\b(?!(\s)*\()</suffix>
      <keyword>false</keyword>
      <keyword>true</keyword>
    </context>

    <context id="decimal" style-ref="decimal">
      <match>\b([1-9][0-9]*|0)([Uu]([Ll]|LL|ll)?|([Ll]|LL|ll)[Uu]?)?\b</match>
    </context>

    <context id="floating-point-number" style-ref="floating-point">
      <match>\b([0-9]+[Ee][-]?[0-9]+|([0-9]*\.[0-9]+|[0-9]+\.)([Ee][-]?[0-9]+)?)[fFlL]?</match>
    </context>

    <context id="octal-number" style-ref="base-n-integer">
      <match>\b0[0-7]+([Uu]([Ll]|LL|ll)?|([Ll]|LL|ll)[Uu]?)?\b</match>
    </context>

    <context id="hex-number" style-ref="base-n-integer">
      <match>\b0[xX][0-9a-fA-F]+([Uu]([Ll]|LL|ll)?|([Ll]|LL|ll)[Uu]?)?\b</match>
    </context>

    <context id="variables" style-ref="variable">
      <keyword>ans</keyword>
    </context>

    <context id="reserved-constant" style-ref="reserved-constant">
      <!--
        Most of the constants can be used as functions too. Do not highlight as
        constants if followed by parentheses.
      -->
      <suffix>\b(?!(\s)*\()</suffix>
      <keyword>e</keyword>
      <keyword>eps</keyword>
      <keyword>(J|j|I|i)</keyword>
      <keyword>(Inf|inf)</keyword>
      <keyword>(NaN|nan)</keyword>
      <keyword>NA</keyword>
      <keyword>ones</keyword>
      <keyword>pi</keyword>
      <keyword>rand</keyword>
      <keyword>zeros</keyword>
    </context>

    <context id="package-manager" style-ref="package-manager">
      <!--
        The list of pkg commands is optional to the match so that at least pkg
        is highlighted when new commands get implemented.
      -->
      <match extended="true">
        \bpkg(?!(\s)*\()(\s)+
        ((un)?install|update|(un)?load|list|(global|local)_list|describe|prefix|(re)?build)?\b
      </match>
    </context>

    <context id="keyword">
      <include>
        <context style-ref="keyword">
          <!--
            Only Octave specific keywords. To see a complete list of keywords in
            Octave, use __keywords__ at the Octave prompt.
          -->
          <keyword>end(_try_catch|_unwind_protect|for|function|if|parfor|switch|while)</keyword>
          <keyword>unwind_protect(_cleanup)?</keyword>
        </context>
        <context id="octave-matlab-keyword" style-ref="keyword">
          <!--
            Octave and Matlab have already implemented most of each others keywords
            but not all. Both Octave and Matlab are still missing keywords from the
            other. As such, this block only has the keywords already implemented in
            both. When adding a new keyword, make sure you place it on the right
            place.
          -->
          <keyword>case</keyword>
          <keyword>catch</keyword>
          <keyword>continue</keyword>
          <keyword>do</keyword>
          <keyword>else(if)?</keyword>
          <keyword>end</keyword>
          <keyword>for</keyword>
          <keyword>function</keyword>
          <keyword>if</keyword>
          <keyword>otherwise</keyword>
          <keyword>parfor</keyword>
          <keyword>return</keyword>
          <keyword>switch</keyword>
          <keyword>try</keyword>
          <keyword>until</keyword>
          <keyword>vararg(in|out)</keyword>
          <keyword>while</keyword>
        </context>
      </include>
    </context>

    <define-regex id="is-type-functions" extended="true">
      _absolute_filename         | dir                        |numeric        |
      _dq_string                 | empty                      | object        |
      _function_handle           | equal                      | obsv          |
      _leap_year                 | equalwithequalnans         |
      _real_matrix               | field                      |
      _real_scalar               | figure                     |
      _real_square_matrix        | finite                     | pc            |
      _real_vector               | float                      | pref          |
      _rooted_relative_filename  | global                     | prime         |
      _sq_string                 | graph                      | print         |
      _valid_file_id             | gray                       | prop          |
      a                          | handle                     | punct         |
      alnum                      | hermitian                  | real          |
      alpha                      | hghandle                   | rgb           |
      appdata                    | hold                       | row           |
      argout                     | ieee                       | sample        |
      ascii                      | ind                        | scalar        |
      bool                       | index                      | sorted        |
      bw                         | inf                        | space         |
      cell                       | integer                    | sparse        |
      cellstr                    | keyword                    | square        |
      char                       | letter                     | stabilizable  |
      cntrl                      | logical                    | strprop       |
      column                     | lower                      | struct        |
      complex                    | mac                        | symmetric     |
      ctrb                       | matrix                     | unix          |
      debugmode                  | member                     | upper         |
      definite                   | method                     | varname       |
      deployed                   | na                         | vector        |
      detectable                 | nan                        | xdigit        |
      digit                      | null
    </define-regex>

    <!--
      While there are many more builtin functions in octave, only some are listed
      here. This is to avoid maintenance problems specially in the case of
      functions that may later be removed. Extra functions can easily be added
      manually. Function __list_functions__ lists them all.
    -->
    <context id="builtin" style-ref="builtin">
      <prefix>(?&lt;!\.)\%[</prefix>
      <suffix>\%](?!\.)</suffix>

      <keyword>(Inf|inf)</keyword>
      <keyword>(NaN|nan)</keyword>
      <keyword>abs</keyword>
      <keyword>accumarray</keyword>
      <keyword>acos(d|h)?</keyword>
      <keyword>acot(d|h)?</keyword>
      <keyword>acsc(d|h)?</keyword>
      <keyword>addlistener</keyword>
      <keyword>addpath</keyword>
      <keyword>addproperty</keyword>
      <keyword>addtodate</keyword>
      <keyword>airy</keyword>
      <keyword>all</keyword>
      <keyword>allchild</keyword>
      <keyword>amd</keyword>
      <keyword>ancestor</keyword>
      <keyword>and</keyword>
      <keyword>angle</keyword>
      <keyword>any</keyword>
      <keyword>area</keyword>
      <keyword>arrayfun</keyword>
      <keyword>asec(d|h)?</keyword>
      <keyword>asin(d|h)?</keyword>
      <keyword>assert</keyword>
      <keyword>assignin</keyword>
      <keyword>atan(d|h)?</keyword>
      <keyword>atan2</keyword>
      <keyword>axes</keyword>
      <keyword>axis</keyword>
      <keyword>balance</keyword>
      <keyword>bar(h)?</keyword>
      <keyword>base2dec</keyword>
      <keyword>beep</keyword>
      <keyword>bessel(h|i|j|k|y)</keyword>
      <keyword>beta(inc|ln)?</keyword>
      <keyword>bicgstab</keyword>
      <keyword>bin2dec</keyword>
      <keyword>bit(and|cmp|or|xor)</keyword>
      <keyword>bit(get|max|set|shift)</keyword>
      <keyword>blanks</keyword>
      <keyword>blkdiag</keyword>
      <keyword>box</keyword>
      <keyword>brighten</keyword>
      <keyword>bsxfun</keyword>
      <keyword>builtin</keyword>
      <keyword>bunzip2</keyword>
      <keyword>bzip2</keyword>
      <keyword>calendar</keyword>
      <keyword>cart2(pol|sph)</keyword>
      <keyword>cast</keyword>
      <keyword>cat</keyword>
      <keyword>caxis</keyword>
      <keyword>cd</keyword>
      <keyword>ceil</keyword>
      <keyword>cell2(mat|struct)</keyword>
      <keyword>celldisp</keyword>
      <keyword>cellfun</keyword>
      <keyword>cellstr</keyword>
      <keyword>cgs</keyword>
      <keyword>char</keyword>
      <keyword>chol</keyword>
      <keyword>cholupdate</keyword>
      <keyword>circshift</keyword>
      <keyword>cla</keyword>
      <keyword>clabel</keyword>
      <keyword>class</keyword>
      <keyword>clc</keyword>
      <keyword>clear</keyword>
      <keyword>clf</keyword>
      <keyword>clock</keyword>
      <keyword>close(req)?</keyword>
      <keyword>col(amd|perm)</keyword>
      <keyword>colorbar</keyword>
      <keyword>colormap</keyword>
      <keyword>columns</keyword>
      <keyword>comet</keyword>
      <keyword>compan</keyword>
      <keyword>compass</keyword>
      <keyword>complex</keyword>
      <keyword>computer</keyword>
      <keyword>cond(est)?</keyword>
      <keyword>conj</keyword>
      <keyword>contour(3|c|f)?</keyword>
      <keyword>contrast</keyword>
      <keyword>conv(2|hull(n)?|n)?</keyword>
      <keyword>copyfile</keyword>
      <keyword>corrcoef</keyword>
      <keyword>cos(d|h)?</keyword>
      <keyword>cot(d|h)?</keyword>
      <keyword>cov</keyword>
      <keyword>cplxpair</keyword>
      <keyword>cputime</keyword>
      <keyword>cross</keyword>
      <keyword>csc(d|h)?</keyword>
      <keyword>csv(read|write)</keyword>
      <keyword>ctranspose</keyword>
      <keyword>cum(max|min|prod|sum|trapz)</keyword>
      <keyword>curl</keyword>
      <keyword>cylinder</keyword>
      <keyword>daspect</keyword>
      <keyword>date(num|str|tick|vec)?</keyword>
      <keyword>db(clear|stack|status|stop|type|where)</keyword>
      <keyword>db(cont|down|next|quit|step|up)</keyword>
      <keyword>dbquad</keyword>
      <keyword>deal</keyword>
      <keyword>deblank</keyword>
      <keyword>dec2(base|bin|hex)</keyword>
      <keyword>deconv</keyword>
      <keyword>del2</keyword>
      <keyword>delaunay(3|n)?</keyword>
      <keyword>demo</keyword>
      <keyword>det</keyword>
      <keyword>detrend</keyword>
      <keyword>diag</keyword>
      <keyword>diary</keyword>
      <keyword>diff</keyword>
      <keyword>diffuse</keyword>
      <keyword>dir</keyword>
      <keyword>disp</keyword>
      <keyword>display</keyword>
      <keyword>divergence</keyword>
      <keyword>dlm(read|write)</keyword>
      <keyword>dmperm</keyword>
      <keyword>doc</keyword>
      <keyword>dos</keyword>
      <keyword>dot</keyword>
      <keyword>double</keyword>
      <keyword>drawnow</keyword>
      <keyword>dsearch(n)?</keyword>
      <keyword>echo</keyword>
      <keyword>edit</keyword>
      <keyword>eig(s)?</keyword>
      <keyword>ellipsoid</keyword>
      <keyword>eomday</keyword>
      <keyword>eps</keyword>
      <keyword>eq</keyword>
      <keyword>erf(c|cx|cinv|inv)?</keyword>
      <keyword>erfcx</keyword>
      <keyword>error</keyword>
      <keyword>errorbar</keyword>
      <keyword>etime</keyword>
      <keyword>etree(plot)?</keyword>
      <keyword>eval(in)?</keyword>
      <keyword>exist</keyword>
      <keyword>exit</keyword>
      <keyword>exp(int|m|m1)?</keyword>
      <keyword>eye</keyword>
      <keyword>ez(contour(f)?|mesh(c)?|plot(3)?|polar|surf(c)?)</keyword>
      <keyword>f(close|open|read|seek|tell|write)</keyword>
      <keyword>factor</keyword>
      <keyword>factorial</keyword>
      <keyword>false</keyword>
      <keyword>feather</keyword>
      <keyword>feof</keyword>
      <keyword>ferror</keyword>
      <keyword>feval</keyword>
      <keyword>fft(2|n|shift)?</keyword>
      <keyword>fftw</keyword>
      <keyword>fget(l|s)</keyword>
      <keyword>fieldnames</keyword>
      <keyword>figure</keyword>
      <keyword>file(attrib|marker|parts|sep)</keyword>
      <keyword>fileread</keyword>
      <keyword>fill</keyword>
      <keyword>filter(2)?</keyword>
      <keyword>find</keyword>
      <keyword>findall</keyword>
      <keyword>findobj</keyword>
      <keyword>findstr</keyword>
      <keyword>fix</keyword>
      <keyword>flip(dim|lr|ud)</keyword>
      <keyword>floor</keyword>
      <keyword>fminbnd</keyword>
      <keyword>format</keyword>
      <keyword>fplot</keyword>
      <keyword>fprint(f)?</keyword>
      <keyword>frewind</keyword>
      <keyword>fscanf</keyword>
      <keyword>fsolve</keyword>
      <keyword>full</keyword>
      <keyword>fullfile</keyword>
      <keyword>func2str</keyword>
      <keyword>functions</keyword>
      <keyword>fzero</keyword>
      <keyword>gamma(inc|ln)?</keyword>
      <keyword>gca</keyword>
      <keyword>gcb(f|o)</keyword>
      <keyword>gcd</keyword>
      <keyword>gcf</keyword>
      <keyword>ge</keyword>
      <keyword>genpath</keyword>
      <keyword>genvarname</keyword>
      <keyword>get</keyword>
      <keyword>getenv</keyword>
      <keyword>getfield</keyword>
      <keyword>ginput</keyword>
      <keyword>gplot</keyword>
      <keyword>gradient</keyword>
      <keyword>grid(data|data3|datan)?</keyword>
      <keyword>gt</keyword>
      <keyword>gtext</keyword>
      <keyword>gunzip</keyword>
      <keyword>gzip</keyword>
      <keyword>hadamard</keyword>
      <keyword>hankel</keyword>
      <keyword>help</keyword>
      <keyword>hess</keyword>
      <keyword>hex2(dec|num)</keyword>
      <keyword>hggroup</keyword>
      <keyword>hidden</keyword>
      <keyword>hilb</keyword>
      <keyword>hist(c)?</keyword>
      <keyword>hold</keyword>
      <keyword>home</keyword>
      <keyword>horzcat</keyword>
      <keyword>hsv2rgb</keyword>
      <keyword>hypot</keyword>
      <keyword>I</keyword>
      <keyword>i</keyword>
      <keyword>idivide</keyword>
      <keyword>ifft(2|n|shift)?</keyword>
      <keyword>im(finfo|read|show|write)</keyword>
      <keyword>image(sc)?</keyword>
      <keyword>ind2(rgb|sub)</keyword>
      <keyword>inferiorto</keyword>
      <keyword>info</keyword>
      <keyword>inline</keyword>
      <keyword>inpolygon</keyword>
      <keyword>input</keyword>
      <keyword>inputname</keyword>
      <keyword>int(min|max)</keyword>
      <keyword>int2str</keyword>
      <keyword>interp(1|1q|2|3|ft|n)</keyword>
      <keyword>intersect</keyword>
      <keyword>intwarning</keyword>
      <keyword>inv(erse)?</keyword>
      <keyword>invhilb</keyword>
      <keyword>ipermute</keyword>
      <keyword>iqr</keyword>
      <!--
        rather than write here all the is(type) functions, a regex was created
        named 'is-type-functions'. Add the type to that regex rather than adding
        a new keyword here.
      -->
      <keyword>is\%{is-type-functions}</keyword>
      <keyword>iso(colors|normals|surface)</keyword>
      <keyword>J</keyword>
      <keyword>j</keyword>
      <keyword>jet</keyword>
      <keyword>keyboard</keyword>
      <keyword>kron</keyword>
      <keyword>last(err|error|warn)</keyword>
      <keyword>lcm</keyword>
      <keyword>ldivide</keyword>
      <keyword>le</keyword>
      <keyword>legend</keyword>
      <keyword>legendre</keyword>
      <keyword>length</keyword>
      <keyword>license</keyword>
      <keyword>lin2mu</keyword>
      <keyword>line</keyword>
      <keyword>linkprop</keyword>
      <keyword>linspace</keyword>
      <keyword>list</keyword>
      <keyword>load(obj)?</keyword>
      <keyword>log(10|1p|2|space|m)?</keyword>
      <keyword>loglog</keyword>
      <keyword>lookfor</keyword>
      <keyword>lower</keyword>
      <keyword>ls</keyword>
      <keyword>lsqnonneg</keyword>
      <keyword>lt</keyword>
      <keyword>lu(inc)?</keyword>
      <keyword>magic</keyword>
      <keyword>mat2(cell|str)</keyword>
      <keyword>matlabroot</keyword>
      <keyword>max</keyword>
      <keyword>mean</keyword>
      <keyword>median</keyword>
      <keyword>menu</keyword>
      <keyword>merge</keyword>
      <keyword>mesh(grid|c|z)?</keyword>
      <keyword>methods</keyword>
      <keyword>mex</keyword>
      <keyword>mexext</keyword>
      <keyword>mfilename</keyword>
      <keyword>min</keyword>
      <keyword>minus</keyword>
      <keyword>mislocked</keyword>
      <keyword>mkdir</keyword>
      <keyword>mkoctfile</keyword>
      <keyword>mkpp</keyword>
      <keyword>mldivide</keyword>
      <keyword>mlock</keyword>
      <keyword>mod</keyword>
      <keyword>mode</keyword>
      <keyword>more</keyword>
      <keyword>movefile</keyword>
      <keyword>mrdivide</keyword>
      <keyword>mtimes</keyword>
      <keyword>mu2lin</keyword>
      <keyword>munlock</keyword>
      <keyword>NA</keyword>
      <keyword>namelengthmax</keyword>
      <keyword>narg(in|out)</keyword>
      <keyword>narg(out)?chk</keyword>
      <keyword>nchoosek</keyword>
      <keyword>ndgrid</keyword>
      <keyword>ndims</keyword>
      <keyword>ne</keyword>
      <keyword>newplot</keyword>
      <keyword>nextpow2</keyword>
      <keyword>nnz</keyword>
      <keyword>nonzeros</keyword>
      <keyword>norm</keyword>
      <keyword>normest</keyword>
      <keyword>not</keyword>
      <keyword>now</keyword>
      <keyword>nthroot</keyword>
      <keyword>null</keyword>
      <keyword>num2(cell|hex|str)</keyword>
      <keyword>numel</keyword>
      <keyword>nzmax</keyword>
      <keyword>onCleanup</keyword>
      <keyword>ones</keyword>
      <keyword>optim(get|set)</keyword>
      <keyword>or</keyword>
      <keyword>orderfields</keyword>
      <keyword>orient</keyword>
      <keyword>orth</keyword>
      <keyword>pack</keyword>
      <keyword>pareto</keyword>
      <keyword>pascal</keyword>
      <keyword>patch</keyword>
      <keyword>path</keyword>
      <keyword>pathsep</keyword>
      <keyword>pause</keyword>
      <keyword>pbaspect</keyword>
      <keyword>pcg</keyword>
      <keyword>pchip</keyword>
      <keyword>pcolor</keyword>
      <keyword>peaks</keyword>
      <keyword>perl</keyword>
      <keyword>perms</keyword>
      <keyword>permute</keyword>
      <keyword>pi</keyword>
      <keyword>pie</keyword>
      <keyword>pie3</keyword>
      <keyword>pinv</keyword>
      <keyword>pkg</keyword>
      <keyword>planerot</keyword>
      <keyword>plot(3|matrix|yy)?</keyword>
      <keyword>pol2cart</keyword>
      <keyword>polar</keyword>
      <keyword>poly(der(inv)?|fit|int|val|valm)?</keyword>
      <keyword>polyarea</keyword>
      <keyword>pow2</keyword>
      <keyword>power</keyword>
      <keyword>ppval</keyword>
      <keyword>primes</keyword>
      <keyword>print(f)?</keyword>
      <keyword>print_usage</keyword>
      <keyword>prod</keyword>
      <keyword>psi</keyword>
      <keyword>pwd</keyword>
      <keyword>qr(delete|insert|update)?</keyword>
      <keyword>quad(gk|l|v)?</keyword>
      <keyword>quit</keyword>
      <keyword>quiver(3)?</keyword>
      <keyword>qz</keyword>
      <keyword>rand(i|n|perm)?</keyword>
      <keyword>rank</keyword>
      <keyword>rat(s)?</keyword>
      <keyword>rcond</keyword>
      <keyword>rdivide</keyword>
      <keyword>real(log|max|min|pow|sqrt)?</keyword>
      <keyword>record</keyword>
      <keyword>rectint</keyword>
      <keyword>refresh</keyword>
      <keyword>refreshdata</keyword>
      <keyword>regexp(i|rep|translate)?</keyword>
      <keyword>rehash</keyword>
      <keyword>rem</keyword>
      <keyword>rename</keyword>
      <keyword>repmat</keyword>
      <keyword>reset</keyword>
      <keyword>reshape</keyword>
      <keyword>residue</keyword>
      <keyword>restoredefaultpath</keyword>
      <keyword>rgb2(hsv|ind)</keyword>
      <keyword>ribbon</keyword>
      <keyword>rmdir</keyword>
      <keyword>rmfield</keyword>
      <keyword>rmpath</keyword>
      <keyword>roots</keyword>
      <keyword>rose</keyword>
      <keyword>rosser</keyword>
      <keyword>rot90</keyword>
      <keyword>round</keyword>
      <keyword>rows</keyword>
      <keyword>rref</keyword>
      <keyword>rsf2csf</keyword>
      <keyword>run</keyword>
      <keyword>save(as|obj|path)?</keyword>
      <keyword>scatter(3)?</keyword>
      <keyword>schur</keyword>
      <keyword>sec(d|h)?</keyword>
      <keyword>semilog(x|y)</keyword>
      <keyword>set</keyword>
      <keyword>setdiff</keyword>
      <keyword>setenv</keyword>
      <keyword>setfield</keyword>
      <keyword>setxor</keyword>
      <keyword>shading</keyword>
      <keyword>shg</keyword>
      <keyword>shiftdim</keyword>
      <keyword>sign</keyword>
      <keyword>sin(d|h)?</keyword>
      <keyword>size</keyword>
      <keyword>slice</keyword>
      <keyword>sort</keyword>
      <keyword>sortrows</keyword>
      <keyword>spalloc</keyword>
      <keyword>sparse</keyword>
      <keyword>spaugment</keyword>
      <keyword>spconvert</keyword>
      <keyword>spdiags</keyword>
      <keyword>specular</keyword>
      <keyword>speye</keyword>
      <keyword>spfun</keyword>
      <keyword>sph2cart</keyword>
      <keyword>sphere</keyword>
      <keyword>spinmap</keyword>
      <keyword>spline</keyword>
      <keyword>spones</keyword>
      <keyword>spparms</keyword>
      <keyword>sprand(n|sym)?</keyword>
      <keyword>sprank</keyword>
      <keyword>sprintf</keyword>
      <keyword>spy</keyword>
      <keyword>sqrt(m)?</keyword>
      <keyword>squeeze</keyword>
      <keyword>sscanf</keyword>
      <keyword>stairs</keyword>
      <keyword>std</keyword>
      <keyword>stem(3)?</keyword>
      <keyword>str(cat|(n)?cmp(i)?|find|just|match|rep|tok|trim)</keyword>
      <keyword>str2(double|func|mat|num)</keyword>
      <keyword>strread</keyword>
      <keyword>struct</keyword>
      <keyword>struct2cell</keyword>
      <keyword>structfun</keyword>
      <keyword>strvcat</keyword>
      <keyword>sub2ind</keyword>
      <keyword>subplot</keyword>
      <keyword>subsasgn</keyword>
      <keyword>subsindex</keyword>
      <keyword>subspace</keyword>
      <keyword>subsref</keyword>
      <keyword>substruct</keyword>
      <keyword>sum</keyword>
      <keyword>superiorto</keyword>
      <keyword>surf(ace|c|l|norm)?</keyword>
      <keyword>svd</keyword>
      <keyword>svds</keyword>
      <keyword>swapbytes</keyword>
      <keyword>symamd</keyword>
      <keyword>symbfact</keyword>
      <keyword>symrcm</keyword>
      <keyword>symvar</keyword>
      <keyword>system</keyword>
      <keyword>tan(d|h)?</keyword>
      <keyword>tar</keyword>
      <keyword>temp(dir|name)</keyword>
      <keyword>text</keyword>
      <keyword>textread</keyword>
      <keyword>tic</keyword>
      <keyword>time</keyword>
      <keyword>times</keyword>
      <keyword>title</keyword>
      <keyword>toc</keyword>
      <keyword>toeplitz</keyword>
      <keyword>trace</keyword>
      <keyword>transpose</keyword>
      <keyword>trapz</keyword>
      <keyword>treelayout</keyword>
      <keyword>treeplot</keyword>
      <keyword>tri(mesh|plot|surf)</keyword>
      <keyword>tril</keyword>
      <keyword>triplequad</keyword>
      <keyword>triu</keyword>
      <keyword>true</keyword>
      <keyword>tsearch(n)?</keyword>
      <keyword>type</keyword>
      <keyword>typecast</keyword>
      <keyword>uigetdir</keyword>
      <keyword>uigetfile</keyword>
      <keyword>uimenu</keyword>
      <keyword>uiputfile</keyword>
      <keyword>union</keyword>
      <keyword>unique</keyword>
      <keyword>unix</keyword>
      <keyword>unmkpp</keyword>
      <keyword>untar</keyword>
      <keyword>unwrap</keyword>
      <keyword>unzip</keyword>
      <keyword>upper</keyword>
      <keyword>url(read|write)</keyword>
      <keyword>validatestring</keyword>
      <keyword>values</keyword>
      <keyword>vander</keyword>
      <keyword>var</keyword>
      <keyword>vectorize</keyword>
      <keyword>ver</keyword>
      <keyword>version</keyword>
      <keyword>vertcat</keyword>
      <keyword>view</keyword>
      <keyword>voronoi(n)?</keyword>
      <keyword>waitforbuttonpress</keyword>
      <keyword>warning</keyword>
      <keyword>wav(read|write)</keyword>
      <keyword>weekday</keyword>
      <keyword>what</keyword>
      <keyword>whitebg</keyword>
      <keyword>who(s)?</keyword>
      <keyword>wilkinson</keyword>
      <keyword>xlabel</keyword>
      <keyword>xlim</keyword>
      <keyword>xor</keyword>
      <keyword>ylabel</keyword>
      <keyword>ylim</keyword>
      <keyword>zeros</keyword>
      <keyword>zlabel</keyword>
      <keyword>zlim</keyword>
    </context>

    <context id="octave" class="no-spell-check">
      <include>
        <context ref="def:shebang"/>
        <context ref="block-comment"/>
        <context ref="line-comment"/>
        <context ref="line-continue"/>
        <context ref="double-quoted-string"/>
        <context ref="single-quoted-string"/>
        <context ref="operator"/>
        <context ref="data-type"/>
        <context ref="function-handle"/>
        <context ref="storage-type"/>
        <context ref="boolean"/>
        <context ref="decimal"/>
        <context ref="floating-point-number"/>
        <context ref="octal-number"/>
        <context ref="hex-number"/>
        <context ref="variables"/>
        <context ref="reserved-constant"/>
        <context ref="package-manager"/>
        <context ref="keyword"/>
        <context ref="builtin"/>
      </include>
    </context>
  </definitions>
</language>