povray.lang: povray 3.7 syntax highlighting for gtk

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language SYSTEM "language.dtd">
<language _name="POV-Ray 3.7" version="1.0" _section="Other" mimetypes="text/x-povray">

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    <line-comment _name="Line Comment" style="Comment">
        <start-regex>//</start-regex>
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    <block-comment _name="Block Comment" style="Comment">
        <start-regex>/\*</start-regex>
        <end-regex>\*/</end-regex>
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    <pattern-item _name="Punctuators" style="Others 3">
        <regex>[{}().,;]</regex>
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    <pattern-item _name="Operators" style="Function">
        <regex>[-+!*/&lt;&gt;=&amp;|?:]</regex>
    </pattern-item>

    <pattern-item _name="Array Operators" style="Function">
        <regex>(\[|\])</regex>
    </pattern-item>

    <pattern-item _name="Number" style="Floating Point">
        <regex>[\+-]?[0-9]+(\.[0-9]*)?([Ee][\+-]?[0-9]+)?</regex>
    </pattern-item>

    <keyword-list _name="Built-in Constants" style="String" case-sensitive="TRUE">
        <keyword>false</keyword>
        <keyword>no</keyword>
        <keyword>off</keyword>
        <keyword>on</keyword>
        <keyword>pi</keyword>
        <keyword>true</keyword>
        <keyword>yes</keyword>
    </keyword-list>

    <keyword-list _name="Built-in Variables" style="Keyword" case-sensitive="TRUE">
        <keyword>clock</keyword>
        <keyword>clock_delta</keyword>
        <keyword>clock_on</keyword>
        <keyword>final_clock</keyword>
        <keyword>final_frame</keyword>
        <keyword>frame_number</keyword>
        <keyword>initial_clock</keyword>
        <keyword>initial_frame</keyword>
        <keyword>image_height</keyword>
        <keyword>image_width</keyword>
        <keyword>input_file_name</keyword>
        <keyword>version</keyword>
    </keyword-list>

    <keyword-list _name="Built-in Vectors" style="Keyword" case-sensitive="TRUE">
        <keyword>t</keyword>
        <keyword>u</keyword>
        <keyword>v</keyword>
        <keyword>x</keyword>
        <keyword>y</keyword>
        <keyword>z</keyword>
    </keyword-list>

    <keyword-list _name="Color Identifiers" style="Keyword" case-sensitive="TRUE">
        <keyword>blue</keyword>
        <keyword>filter</keyword>
        <keyword>gray</keyword>
        <keyword>green</keyword>
        <keyword>red</keyword>
        <keyword>rgb</keyword>
        <keyword>rgbf</keyword>
        <keyword>rgbft</keyword>
        <keyword>rgbt</keyword>
        <keyword>srgb</keyword>
        <keyword>sRGB</keyword>
        <keyword>SRGB</keyword>
        <keyword>srgbf</keyword>
        <keyword>srgbft</keyword>
        <keyword>srgbt</keyword>
        <keyword>transmit</keyword>
    </keyword-list>

    <keyword-list _name="Float Functions" style="Function" case-sensitive="TRUE">
        <keyword>abs</keyword>
        <keyword>acos</keyword>
        <keyword>acosh</keyword>
        <keyword>asc</keyword>
        <keyword>asin</keyword>
        <keyword>asinh</keyword>
        <keyword>atan</keyword>
        <keyword>atan2</keyword>
        <keyword>atand</keyword>
        <keyword>atanh</keyword>
        <keyword>bitwise_and</keyword>
        <keyword>bitwise_or</keyword>
        <keyword>bitwise_xor</keyword>
        <keyword>ceil</keyword>
        <keyword>cos</keyword>
        <keyword>cosh</keyword>
        <keyword>defined</keyword>
        <keyword>degrees</keyword>
        <keyword>dimension_size</keyword>
        <keyword>dimensions</keyword>
        <keyword>div</keyword>
        <keyword>exp</keyword>
        <keyword>file_exists</keyword>
        <keyword>floor</keyword>
        <keyword>inside</keyword>
        <keyword>int</keyword>
        <keyword>ln</keyword>
        <keyword>log</keyword>
        <keyword>max</keyword>
        <keyword>min</keyword>
        <keyword>mod</keyword>
        <keyword>pow</keyword>
        <keyword>radians</keyword>
        <keyword>rand</keyword>
        <keyword>seed</keyword>
        <keyword>select</keyword>
        <keyword>sin</keyword>
        <keyword>sinh</keyword>
        <keyword>sqr</keyword>
        <keyword>sqrt</keyword>
        <keyword>strcmp</keyword>
        <keyword>strlen</keyword>
        <keyword>tan</keyword>
        <keyword>tanh</keyword>
        <keyword>val</keyword>
        <keyword>vdot</keyword>
        <keyword>vlength</keyword>
    </keyword-list>

    <keyword-list _name="Vector Functions" style="Function" case-sensitive="TRUE">
        <keyword>max_extent</keyword>
        <keyword>min_extent</keyword>
        <keyword>trace</keyword>
        <keyword>vaxis_rotate</keyword>
        <keyword>vcross</keyword>
        <keyword>vnormalize</keyword>
        <keyword>vrotate</keyword>
        <keyword>vturbulence</keyword>
    </keyword-list>

    <keyword-list _name="String Functions" style="Function" case-sensitive="TRUE">
        <keyword>chr</keyword>
        <keyword>concat</keyword>
        <keyword>datetime</keyword>
        <keyword>str</keyword>
        <keyword>strlwr</keyword>
        <keyword>strupr</keyword>
        <keyword>substr</keyword>
        <keyword>vstr</keyword>
    </keyword-list>

    <keyword-list _name="Patterns" style="Keyword" case-sensitive="TRUE">
        <keyword>agate</keyword>
        <keyword>aoi</keyword>
        <keyword>average</keyword>
        <keyword>boxed</keyword>
        <keyword>bozo</keyword>
        <keyword>brick</keyword>
        <keyword>bumps</keyword>
        <keyword>cells</keyword>
        <keyword>checker</keyword>
        <keyword>crackle</keyword>
        <keyword>cubic</keyword>
        <keyword>cylindrical</keyword>
        <keyword>density_file</keyword>
        <keyword>dents</keyword>
        <keyword>facets</keyword>
        <keyword>gradient</keyword>
        <keyword>granite</keyword>
        <keyword>hexagon</keyword>
        <keyword>image_pattern</keyword>
        <keyword>julia</keyword>
        <keyword>leopard</keyword>
        <keyword>magnet</keyword>
        <keyword>mandel</keyword>
        <keyword>marble</keyword>
        <keyword>onion</keyword>
        <keyword>pavement</keyword>
        <keyword>pigment_pattern</keyword>
        <keyword>planar</keyword>
        <keyword>quilted</keyword>
        <keyword>radial</keyword>
        <keyword>ripples</keyword>
        <keyword>slope</keyword>
        <keyword>spherical</keyword>
        <keyword>spiral1</keyword>
        <keyword>spiral2</keyword>
        <keyword>spotted</keyword>
        <keyword>square</keyword>
        <keyword>tile2</keyword>
        <keyword>tiling</keyword>
        <keyword>tiles</keyword>
        <keyword>triangular</keyword>
        <keyword>waves</keyword>
        <keyword>wood</keyword>
        <keyword>wrinkles</keyword>
    </keyword-list>

    <keyword-list _name="Objects" style="Keyword" case-sensitive="TRUE">
        <keyword>background</keyword>
        <keyword>bicubic_patch</keyword>
        <keyword>blob</keyword>
        <keyword>box</keyword>
        <keyword>camera</keyword>
        <keyword>cone</keyword>
        <keyword>cubic</keyword>
        <keyword>cylinder</keyword>
        <keyword>difference</keyword>
        <keyword>disc</keyword>
        <keyword>fog</keyword>
        <keyword>height_field</keyword>
        <keyword>intersection</keyword>
        <keyword>isosurface</keyword>
        <keyword>julia_fractal</keyword>
        <keyword>lathe</keyword>
        <keyword>light_group</keyword>
        <keyword>light_source</keyword>
        <keyword>merge</keyword>
        <keyword>mesh</keyword>
        <keyword>mesh2</keyword>
        <keyword>object</keyword>
        <keyword>ovus</keyword>
        <keyword>parametric</keyword>
        <keyword>plane</keyword>
        <keyword>poly</keyword>
        <keyword>polygon</keyword>
        <keyword>polynomial</keyword>
        <keyword>prism</keyword>
        <keyword>quadric</keyword>
        <keyword>quartic</keyword>
        <keyword>rainbow</keyword>
        <keyword>sky_sphere</keyword>
        <keyword>smooth_triangle</keyword>
        <keyword>sphere</keyword>
        <keyword>sphere_sweep</keyword>
        <keyword>spline</keyword>
        <keyword>superellipsoid</keyword>
        <keyword>sor</keyword>
        <keyword>text</keyword>
        <keyword>torus</keyword>
        <keyword>triangle</keyword>
        <keyword>union</keyword>
    </keyword-list>

    <keyword-list _name="Filetypes" style="Keyword" case-sensitive="TRUE">
        <keyword>df3</keyword>
        <keyword>exr</keyword>
        <keyword>gif</keyword>
        <keyword>hdr</keyword>
        <keyword>iff</keyword>
        <keyword>jpeg</keyword>
        <keyword>pgm</keyword>
        <keyword>png</keyword>
        <keyword>ppm</keyword>
        <keyword>sys</keyword>
        <keyword>tga</keyword>
        <keyword>tiff</keyword>
    </keyword-list>

    <keyword-list _name="Spline Identifiers" style="Keyword" case-sensitive="TRUE">
        <keyword>b_spline</keyword>
        <keyword>bezier_spline</keyword>
        <keyword>conic_sweep</keyword>
        <keyword>cubic_spline</keyword>
        <keyword>linear_spline</keyword>
        <keyword>linear_sweep</keyword>
        <keyword>natural_spline</keyword>
        <keyword>quadratic_spline</keyword>
    </keyword-list>

    <keyword-list _name="Encodings" style="Keyword" case-sensitive="TRUE">
        <keyword>ascii</keyword>
        <keyword>utf8</keyword>
        <keyword>uint8</keyword>
        <keyword>uint16be</keyword>
        <keyword>uint16le</keyword>
        <keyword>sint8</keyword>
        <keyword>sint16be</keyword>
        <keyword>sint16le</keyword>
        <keyword>sint32be</keyword>
        <keyword>sint32le</keyword>
    </keyword-list>

    <keyword-list _name="Camera Types" style="Keyword" case-sensitive="TRUE">
        <keyword>fisheye</keyword>
        <keyword>mesh_camera</keyword>
        <keyword>omnimax</keyword>
        <keyword>orthographic</keyword>
        <keyword>panoramic</keyword>
        <keyword>perspective</keyword>
        <keyword>ultra_wide_angle</keyword>
        <!-- cylinder and spherical keywords defined elsewhere -->
    </keyword-list>

    <keyword-list _name="Modifiers" style="Keyword" case-sensitive="TRUE">
        <keyword>adaptive</keyword>
        <keyword>agate_turb</keyword>
        <keyword>bounded_by</keyword>
        <keyword>brick_size</keyword>
        <keyword>bump_map</keyword>
        <keyword>bump_size</keyword>
        <keyword>circular</keyword>
        <keyword>clipped_by</keyword>
        <keyword>cubic</keyword>
        <keyword>color</keyword>
        <keyword>color_map</keyword>
        <keyword>colour</keyword>
        <keyword>colour_map</keyword>
        <keyword>control0</keyword>
        <keyword>control1</keyword>
        <keyword>cubic_wave</keyword>
        <keyword>density</keyword>
        <keyword>density_map</keyword>
        <keyword>double_illuminate</keyword>
        <keyword>fade_color</keyword>
        <keyword>fade_colour</keyword>
        <keyword>fade_distance</keyword>
        <keyword>fade_power</keyword>
        <keyword>frequency</keyword>
        <keyword>global_lights</keyword>
        <keyword>hollow</keyword>
        <keyword>image_map</keyword>
        <keyword>interior</keyword>
        <keyword>interior_texture</keyword>
        <keyword>interpolate</keyword>
        <keyword>inverse</keyword>
        <keyword>jitter</keyword>
        <keyword>lambda</keyword>
        <keyword>map_type</keyword>
        <keyword>material</keyword>
        <keyword>material_map</keyword>
        <keyword>matrix</keyword>
        <keyword>media</keyword>
        <keyword>media_attenuation</keyword>
        <keyword>media_interaction</keyword>
        <keyword>mm_per_unit</keyword>
        <keyword>mortar</keyword>
        <keyword>no_bump_scale</keyword>
        <keyword>no_image</keyword>
        <keyword>no_radiosity</keyword>
        <keyword>no_reflection</keyword>
        <keyword>no_shadow</keyword>
        <keyword>noise_generator</keyword>
        <keyword>normal</keyword>
        <keyword>normal_map</keyword>
        <keyword>octaves</keyword>
        <keyword>omega</keyword>
        <keyword>once</keyword>
        <keyword>orient</keyword>
        <keyword>parallel</keyword>
        <keyword>phase</keyword>
        <keyword>photons</keyword>
        <keyword>pigment</keyword>
        <keyword>pigment_map</keyword>
        <keyword>poly_wave</keyword>
        <keyword>projected_through</keyword>
        <keyword>quick_color</keyword>
        <keyword>quick_colour</keyword>
        <keyword>ramp_wave</keyword>
        <keyword>rotate</keyword>
        <keyword>scale</keyword>
        <keyword>scallop_wave</keyword>
        <keyword>shadowless</keyword>
        <keyword>sine_wave</keyword>
        <keyword>slope_map</keyword>
        <keyword>subsurface</keyword>
        <keyword>texture</keyword>
        <keyword>texture_map</keyword>
        <keyword>transform</keyword>
        <keyword>translate</keyword>
        <keyword>triangle_wave</keyword>
        <keyword>turbulence</keyword>
        <keyword>use_color</keyword>
        <keyword>use_colour</keyword>
        <keyword>use_index</keyword>
        <keyword>uv_mapping</keyword>
        <keyword>warp</keyword>
    </keyword-list>

    <keyword-list _name="Keywords" style="Keyword" case-sensitive="TRUE">
        <keyword>aa_level</keyword>
        <keyword>aa_threshold</keyword>
        <keyword>absorption</keyword>
        <keyword>accuracy</keyword>
        <keyword>adc_bailout</keyword>
        <keyword>albedo</keyword>
        <keyword>all</keyword>
        <keyword>all_intersections</keyword>
        <keyword>alpha</keyword>
        <keyword>altitude</keyword>
        <keyword>always_sample</keyword>
        <keyword>ambient</keyword>
        <keyword>ambient_light</keyword>
        <keyword>angle</keyword>
        <keyword>aperture</keyword>
        <keyword>arc_angle</keyword>
        <keyword>area_light</keyword>
        <keyword>area_illumination</keyword>
        <keyword>array</keyword>
        <keyword>assumed_gamma</keyword>
        <keyword>autostop</keyword>
        <keyword>black_hole</keyword>
        <keyword>blur_samples</keyword>
        <keyword>brightness</keyword>
        <keyword>brilliance</keyword>
        <keyword>caustics</keyword>
        <keyword>charset</keyword>
        <keyword>collect</keyword>
        <keyword>component</keyword>
        <keyword>composite</keyword>
        <keyword>confidence</keyword>
        <keyword>conserve_energy</keyword>
        <keyword>contained_by</keyword>
        <keyword>coords</keyword>
        <keyword>count</keyword>
        <keyword>crand</keyword>
        <keyword>cube</keyword>
        <keyword>cutaway_textures</keyword>
        <keyword>diffuse</keyword>
        <keyword>direction</keyword>
        <keyword>dispersion</keyword>
        <keyword>dispersion_samples</keyword>
        <keyword>dist_exp</keyword>
        <keyword>distance</keyword>
        <keyword>eccentricity</keyword>
        <keyword>emission</keyword>
        <keyword>error_bound</keyword>
        <keyword>evaluate</keyword>
        <keyword>expand_thresholds</keyword>
        <keyword>exponent</keyword>
        <keyword>exterior</keyword>
        <keyword>extinction</keyword>
        <keyword>face_indices</keyword>
        <keyword>falloff</keyword>
        <keyword>falloff_angle</keyword>
        <keyword>file_gamma</keyword>
        <keyword>finish</keyword>
        <keyword>flatness</keyword>
        <keyword>flip</keyword>
        <keyword>focal_point</keyword>
        <keyword>fog_alt</keyword>
        <keyword>fog_offset</keyword>
        <keyword>fog_type</keyword>
        <keyword>form</keyword>
        <keyword>fresnel</keyword>
        <keyword>function</keyword>
        <keyword>gamma</keyword>
        <keyword>gather</keyword>
        <keyword>global_settings</keyword>
        <keyword>gray_threshold</keyword>
        <keyword>hf_gray_16</keyword>
        <keyword>hierarchy</keyword>
        <keyword>hypercomplex</keyword>
        <keyword>importance</keyword>
        <keyword>inside_vector</keyword>
        <keyword>internal</keyword>
        <keyword>intervals</keyword>
        <keyword>ior</keyword>
        <keyword>irid</keyword>
        <keyword>irid_wavelength</keyword>
        <keyword>load_file</keyword>
        <keyword>location</keyword>
        <keyword>look_at</keyword>
        <keyword>looks_like</keyword>
        <keyword>low_error_factor</keyword>
        <keyword>major_radius</keyword>
        <keyword>max_distance</keyword>
        <keyword>max_extent</keyword>
        <keyword>max_gradient</keyword>
        <keyword>max_intersections</keyword>
        <keyword>max_iteration</keyword>
        <keyword>max_sample</keyword>
        <keyword>max_trace</keyword>
        <keyword>max_trace_level</keyword>
        <keyword>maximum_reuse</keyword>
        <keyword>metallic</keyword>
        <keyword>method</keyword>
        <keyword>metric</keyword>
        <keyword>minimum_reuse</keyword>
        <keyword>nearest_count</keyword>
        <keyword>normal_indices</keyword>
        <keyword>normal_vectors</keyword>
        <keyword>now</keyword>
        <keyword>number_of_waves</keyword>
        <keyword>offset</keyword>
        <keyword>open</keyword>
        <keyword>orientation</keyword>
        <keyword>pass_through</keyword>
        <keyword>pattern</keyword>
        <keyword>phong</keyword>
        <keyword>phong_size</keyword>
        <keyword>point_at</keyword>
        <keyword>pot</keyword>
        <keyword>precision</keyword>
        <keyword>precompute</keyword>
        <keyword>pretrace_end</keyword>
        <keyword>pretrace_start</keyword>
        <keyword>prod</keyword>
        <keyword>pwr</keyword>
        <keyword>quaternion</keyword>
        <keyword>radiosity</keyword>
        <keyword>radius</keyword>
        <keyword>ratio</keyword>
        <keyword>reciprocal</keyword>
        <keyword>recursion_limit</keyword>
        <keyword>reflection</keyword>
        <keyword>reflection_exponent</keyword>
        <keyword>refraction</keyword>
        <keyword>repeat</keyword>
        <keyword>right</keyword>
        <keyword>roughness</keyword>
        <keyword>samples</keyword>
        <keyword>save_file</keyword>
        <keyword>scattering</keyword>
        <keyword>size</keyword>
        <keyword>sky</keyword>
        <keyword>slice</keyword>
        <keyword>smooth</keyword>
        <keyword>solid</keyword>
        <keyword>spacing</keyword>
        <keyword>specular</keyword>
        <keyword>split_union</keyword>
        <keyword>spotlight</keyword>
        <keyword>strength</keyword>
        <keyword>sturm</keyword>
        <keyword>sum</keyword>
        <keyword>target</keyword>
        <keyword>texture_list</keyword>
        <keyword>thickness</keyword>
        <keyword>threshold</keyword>
        <keyword>tightness</keyword>
        <keyword>tolerance</keyword>
        <keyword>toroidal</keyword>
        <keyword>ttf</keyword>
        <keyword>turb_depth</keyword>
        <keyword>type</keyword>
        <keyword>u_steps</keyword>
        <keyword>up</keyword>
        <keyword>use_alpha</keyword>
        <keyword>uv_indices</keyword>
        <keyword>uv_vectors</keyword>
        <keyword>v_steps</keyword>
        <keyword>variance</keyword>
        <keyword>vertex_vectors</keyword>
        <keyword>water_level</keyword>
        <keyword>width</keyword>
    </keyword-list>

    <keyword-list _name="Language Directives" style="Preprocessor" case-sensitive="TRUE"
            match-empty-string-at-beginning="FALSE" match-empty-string-at-end="FALSE"
            beginning-regex="#">
        <keyword>append</keyword>
        <keyword>break</keyword>
        <keyword>case</keyword>
        <keyword>debug</keyword>
        <keyword>declare</keyword>
        <keyword>default</keyword>
        <keyword>deprecated</keyword>
        <keyword>else</keyword>
        <keyword>elseif</keyword>
        <keyword>end</keyword>
        <keyword>error</keyword>
        <keyword>fclose</keyword>
        <keyword>fopen</keyword>
        <keyword>for</keyword>
        <keyword>if</keyword>
        <keyword>ifdef</keyword>
        <keyword>ifndef</keyword>
        <keyword>include</keyword>
        <keyword>local</keyword>
        <keyword>macro</keyword>
        <keyword>range</keyword>
        <keyword>read</keyword>
        <keyword>render</keyword>
        <keyword>statistics</keyword>
        <keyword>switch</keyword>
        <keyword>undef</keyword>
        <keyword>version</keyword>
        <keyword>warning</keyword>
        <keyword>while</keyword>
        <keyword>write</keyword>
    </keyword-list>

</language>