Imported Upstream version 2.4.0
[platform/upstream/harfbuzz.git] / docs / html / harfbuzz-hb-ot-math.html
index 845bf04..679acde 100644 (file)
@@ -3,38 +3,37 @@
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>hb-ot-math: HarfBuzz Manual</title>
-<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
+<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot">
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 <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
 <td width="100%" align="left" class="shortcuts">
 <a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
-                  <a href="#harfbuzz-hb-ot-math.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
-                  <a href="#harfbuzz-hb-ot-math.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
+                  <a href="#harfbuzz-hb-ot-math.description" class="shortcut">Description</a></span>
 </td>
 <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
-<td><a accesskey="u" href="ch08.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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+<td><a accesskey="u" href="ch10.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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+<td><a accesskey="n" href="harfbuzz-hb-ot-name.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
 </tr></table>
 <div class="refentry">
 <a name="harfbuzz-hb-ot-math"></a><div class="titlepage"></div>
 <div class="refnamediv"><table width="100%"><tr>
 <td valign="top">
 <h2><span class="refentrytitle"><a name="harfbuzz-hb-ot-math.top_of_page"></a>hb-ot-math</span></h2>
-<p>hb-ot-math</p>
+<p>hb-ot-math — OpenType Math information</p>
 </td>
 <td class="gallery_image" valign="top" align="right"></td>
 </tr></table></div>
 <div class="refsect1">
 <a name="harfbuzz-hb-ot-math.functions"></a><h2>Functions</h2>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="functions_return">
 <col class="functions_name">
 </div>
 <div class="refsect1">
 <a name="harfbuzz-hb-ot-math.other"></a><h2>Types and Values</h2>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="name">
 <col class="description">
 </table></div>
 </div>
 <div class="refsect1">
-<a name="harfbuzz-hb-ot-math.object-hierarchy"></a><h2>Object Hierarchy</h2>
-<pre class="screen">    <a href="/home/behdad/.local/share/gtk-doc/html/gobject/gobject-Enumeration-and-Flag-Types.html">GEnum</a>
-    <span class="lineart">├──</span> hb_ot_math_constant_t
-    <span class="lineart">╰──</span> hb_ot_math_kern_t
-    <a href="/home/behdad/.local/share/gtk-doc/html/gobject/gobject-Enumeration-and-Flag-Types.html">GFlags</a>
-    <span class="lineart">╰──</span> hb_ot_math_glyph_part_flags_t
+<a name="harfbuzz-hb-ot-math.includes"></a><h2>Includes</h2>
+<pre class="synopsis">#include &lt;hb-ot.h&gt;
 </pre>
 </div>
 <div class="refsect1">
 <a name="harfbuzz-hb-ot-math.description"></a><h2>Description</h2>
+<p>Functions for fetching mathematics layout data from OpenType fonts.</p>
 </div>
 <div class="refsect1">
 <a name="harfbuzz-hb-ot-math.functions_details"></a><h2>Functions</h2>
 <div class="refsect2">
 <a name="hb-ot-math-has-data"></a><h3>hb_ot_math_has_data ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
-hb_ot_math_has_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>);</pre>
+hb_ot_math_has_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> *face</code></em>);</pre>
 <p>This function allows to verify the presence of an OpenType MATH table on the
 face.</p>
 <div class="refsect3">
 <a name="hb-ot-math-has-data.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -182,7 +178,7 @@ face.</p>
 </colgroup>
 <tbody><tr>
 <td class="parameter_name"><p>face</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> to test</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> to test</p></td>
 <td class="parameter_annotations"> </td>
 </tr></tbody>
 </table></div>
@@ -197,7 +193,7 @@ face.</p>
 <div class="refsect2">
 <a name="hb-ot-math-get-constant"></a><h3>hb_ot_math_get_constant ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
-hb_ot_math_get_constant (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+hb_ot_math_get_constant (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                          <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-math.html#hb-ot-math-constant-t" title="enum hb_ot_math_constant_t"><span class="type">hb_ot_math_constant_t</span></a> constant</code></em>);</pre>
 <p>This function returns the requested math constants as a <a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="type">hb_position_t</span></a>.
 If the request constant is HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN,
@@ -206,7 +202,7 @@ HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN then the return value is
 actually an integer between 0 and 100 representing that percentage.</p>
 <div class="refsect3">
 <a name="hb-ot-math-get-constant.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -215,7 +211,7 @@ actually an integer between 0 and 100 representing that percentage.</p>
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -237,11 +233,11 @@ actually an integer between 0 and 100 representing that percentage.</p>
 <a name="hb-ot-math-get-glyph-italics-correction"></a><h3>hb_ot_math_get_glyph_italics_correction ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
 hb_ot_math_get_glyph_italics_correction
-                               (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+                               (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>);</pre>
 <div class="refsect3">
 <a name="hb-ot-math-get-glyph-italics-correction.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -250,7 +246,7 @@ hb_ot_math_get_glyph_italics_correction
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -272,11 +268,11 @@ hb_ot_math_get_glyph_italics_correction
 <a name="hb-ot-math-get-glyph-top-accent-attachment"></a><h3>hb_ot_math_get_glyph_top_accent_attachment ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
 hb_ot_math_get_glyph_top_accent_attachment
-                               (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+                               (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>);</pre>
 <div class="refsect3">
 <a name="hb-ot-math-get-glyph-top-accent-attachment.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -285,7 +281,7 @@ hb_ot_math_get_glyph_top_accent_attachment
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -306,7 +302,7 @@ hb_ot_math_get_glyph_top_accent_attachment
 <div class="refsect2">
 <a name="hb-ot-math-get-glyph-kerning"></a><h3>hb_ot_math_get_glyph_kerning ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
-hb_ot_math_get_glyph_kerning (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+hb_ot_math_get_glyph_kerning (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>,
                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-math.html#hb-ot-math-kern-t" title="enum hb_ot_math_kern_t"><span class="type">hb_ot_math_kern_t</span></a> kern</code></em>,
                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="type">hb_position_t</span></a> correction_height</code></em>);</pre>
@@ -317,7 +313,7 @@ correction_height. If one is found the corresponding value from the list of
 kerns is returned and otherwise the last kern value is returned.</p>
 <div class="refsect3">
 <a name="hb-ot-math-get-glyph-kerning.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -326,7 +322,7 @@ kerns is returned and otherwise the last kern value is returned.</p>
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -357,11 +353,11 @@ kerns is returned and otherwise the last kern value is returned.</p>
 <div class="refsect2">
 <a name="hb-ot-math-is-glyph-extended-shape"></a><h3>hb_ot_math_is_glyph_extended_shape ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
-hb_ot_math_is_glyph_extended_shape (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
+hb_ot_math_is_glyph_extended_shape (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> *face</code></em>,
                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>);</pre>
 <div class="refsect3">
 <a name="hb-ot-math-is-glyph-extended-shape.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -370,7 +366,7 @@ hb_ot_math_is_glyph_extended_shape (<em class="parameter"><code><a class="link"
 <tbody>
 <tr>
 <td class="parameter_name"><p>face</p></td>
-<td class="parameter_description"><p>a <a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> to test</p></td>
+<td class="parameter_description"><p>a <a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> to test</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -391,7 +387,7 @@ hb_ot_math_is_glyph_extended_shape (<em class="parameter"><code><a class="link"
 <div class="refsect2">
 <a name="hb-ot-math-get-glyph-variants"></a><h3>hb_ot_math_get_glyph_variants ()</h3>
 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
-hb_ot_math_get_glyph_variants (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+hb_ot_math_get_glyph_variants (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                                <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>,
                                <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-direction-t" title="enum hb_direction_t"><span class="type">hb_direction_t</span></a> direction</code></em>,
                                <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
@@ -403,7 +399,7 @@ font, glyph and direction. Note that only the value of
 of size variants as an array of hb_ot_math_glyph_variant_t structs.</p>
 <div class="refsect3">
 <a name="hb-ot-math-get-glyph-variants.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -412,7 +408,7 @@ of size variants as an array of hb_ot_math_glyph_variant_t structs.</p>
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the values</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the values</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -455,7 +451,7 @@ to store the result</p></td>
 <div class="refsect2">
 <a name="hb-ot-math-get-min-connector-overlap"></a><h3>hb_ot_math_get_min_connector_overlap ()</h3>
 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
-hb_ot_math_get_min_connector_overlap (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+hb_ot_math_get_min_connector_overlap (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                                       <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-direction-t" title="enum hb_direction_t"><span class="type">hb_direction_t</span></a> direction</code></em>);</pre>
 <p>This function tries to retrieve the MathVariants table for the specified
 font and returns the minimum overlap of connecting glyphs to draw a glyph
@@ -463,7 +459,7 @@ assembly in the specified direction. Note that only the value of
 <a class="link" href="harfbuzz-hb-common.html#HB-DIRECTION-IS-HORIZONTAL:CAPS" title="HB_DIRECTION_IS_HORIZONTAL()"><span class="type">HB_DIRECTION_IS_HORIZONTAL</span></a> is considered.</p>
 <div class="refsect3">
 <a name="hb-ot-math-get-min-connector-overlap.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -472,7 +468,7 @@ assembly in the specified direction. Note that only the value of
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the value</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -493,7 +489,7 @@ assembly in the specified direction. Note that only the value of
 <div class="refsect2">
 <a name="hb-ot-math-get-glyph-assembly"></a><h3>hb_ot_math_get_glyph_assembly ()</h3>
 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
-hb_ot_math_get_glyph_assembly (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
+hb_ot_math_get_glyph_assembly (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
                                <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>,
                                <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-direction-t" title="enum hb_direction_t"><span class="type">hb_direction_t</span></a> direction</code></em>,
                                <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
@@ -506,7 +502,7 @@ is considered. It provides the information necessary to draw the glyph
 assembly as an array of <a class="link" href="harfbuzz-hb-ot-math.html#hb-ot-math-glyph-part-t" title="hb_ot_math_glyph_part_t"><span class="type">hb_ot_math_glyph_part_t</span></a>.</p>
 <div class="refsect3">
 <a name="hb-ot-math-get-glyph-assembly.parameters"></a><h4>Parameters</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="150px" class="parameters_name">
 <col class="parameters_description">
@@ -515,7 +511,7 @@ assembly as an array of <a class="link" href="harfbuzz-hb-ot-math.html#hb-ot-mat
 <tbody>
 <tr>
 <td class="parameter_name"><p>font</p></td>
-<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> from which to retrieve the values</p></td>
+<td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> from which to retrieve the values</p></td>
 <td class="parameter_annotations"> </td>
 </tr>
 <tr>
@@ -564,19 +560,21 @@ to store the result</p></td>
 <a name="harfbuzz-hb-ot-math.other_details"></a><h2>Types and Values</h2>
 <div class="refsect2">
 <a name="HB-OT-TAG-MATH:CAPS"></a><h3>HB_OT_TAG_MATH</h3>
-<pre class="programlisting">#define             HB_OT_TAG_MATH</pre>
+<pre class="programlisting">#define HB_OT_TAG_MATH HB_TAG('M','A','T','H')
+</pre>
 </div>
 <hr>
 <div class="refsect2">
 <a name="HB-OT-MATH-SCRIPT:CAPS"></a><h3>HB_OT_MATH_SCRIPT</h3>
-<pre class="programlisting">#define             HB_OT_MATH_SCRIPT</pre>
+<pre class="programlisting">#define HB_OT_MATH_SCRIPT HB_TAG('m','a','t','h')
+</pre>
 </div>
 <hr>
 <div class="refsect2">
 <a name="hb-ot-math-constant-t"></a><h3>enum hb_ot_math_constant_t</h3>
 <div class="refsect3">
 <a name="hb-ot-math-constant-t.members"></a><h4>Members</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="300px" class="enum_members_name">
 <col class="enum_members_description">
@@ -873,7 +871,7 @@ to store the result</p></td>
 <a name="hb-ot-math-kern-t"></a><h3>enum hb_ot_math_kern_t</h3>
 <div class="refsect3">
 <a name="hb-ot-math-kern-t.members"></a><h4>Members</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="300px" class="enum_members_name">
 <col class="enum_members_description">
@@ -920,7 +918,7 @@ to store the result</p></td>
 <a name="hb-ot-math-glyph-part-flags-t"></a><h3>enum hb_ot_math_glyph_part_flags_t</h3>
 <div class="refsect3">
 <a name="hb-ot-math-glyph-part-flags-t.members"></a><h4>Members</h4>
-<div class="informaltable"><table width="100%" border="0">
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
 <colgroup>
 <col width="300px" class="enum_members_name">
 <col class="enum_members_description">
@@ -951,6 +949,6 @@ to store the result</p></td>
 </div>
 </div>
 <div class="footer">
-<hr>Generated by GTK-Doc V1.25.1</div>
+<hr>Generated by GTK-Doc V1.29</div>
 </body>
 </html>
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