prepare 4.8.3

Geo/xyFace.h

@@ -50,7 +50,8 @@ public:
   virtual GEntity::GeomType geomType() const { return GEntity::Plane; }
   ModelType getNativeType() const { return GmshModel; }
   void *getNativePtr() const { return nullptr; }
-  virtual SPoint2 parFromPoint(const SPoint3 &p, bool onSurface = true) const
+  virtual SPoint2 parFromPoint(const SPoint3 &p, bool onSurface = true,
+                               bool convTestXYZ = false) const
   {
     return SPoint2(p.x(), p.y());
   }

doc/gmsh.html

@@ -98,21 +98,21 @@ Public License (GPL)</a>:
 <ul>
   <li>
     <div class="highlight">
-      Current stable release (version 4.8.0, 2 March 2021):
+      Current stable release (version 4.8.3, 6 April 2021):
       <ul>
         <li>Download Gmsh for
-          <a href="bin/Windows/gmsh-4.8.0-Windows64.zip">Windows 64-bit</a>,
-          <a href="bin/Windows/gmsh-4.8.0-Windows32.zip">Windows 32-bit</a>,
-          <a href="bin/Linux/gmsh-4.8.0-Linux64.tgz">Linux 64-bit</a>,
-          <a href="bin/Linux/gmsh-4.8.0-Linux32.tgz">Linux 32-bit</a> or
-          <a href="bin/MacOSX/gmsh-4.8.0-MacOSX.dmg">MacOS</a>
-        <li>Download the <a href="src/gmsh-4.8.0-source.tgz">source code</a>
+          <a href="bin/Windows/gmsh-4.8.3-Windows64.zip">Windows 64-bit</a>,
+          <a href="bin/Windows/gmsh-4.8.3-Windows32.zip">Windows 32-bit</a>,
+          <a href="bin/Linux/gmsh-4.8.3-Linux64.tgz">Linux 64-bit</a>,
+          <a href="bin/Linux/gmsh-4.8.3-Linux32.tgz">Linux 32-bit</a> or
+          <a href="bin/MacOSX/gmsh-4.8.3-MacOSX.dmg">MacOS</a>
+        <li>Download the <a href="src/gmsh-4.8.3-source.tgz">source code</a>
         <li>Download the Software Development Kit (SDK) for
-          <a href="bin/Windows/gmsh-4.8.0-Windows64-sdk.zip">Windows 64-bit</a>,
-          <a href="bin/Windows/gmsh-4.8.0-Windows32-sdk.zip">Windows 32-bit</a>,
-          <a href="bin/Linux/gmsh-4.8.0-Linux64-sdk.tgz">Linux 64-bit</a>,
-          <a href="bin/Linux/gmsh-4.8.0-Linux32-sdk.tgz">Linux 32-bit</a> or
-          <a href="bin/MacOSX/gmsh-4.8.0-MacOSX-sdk.tgz">MacOS</a>
+          <a href="bin/Windows/gmsh-4.8.3-Windows64-sdk.zip">Windows 64-bit</a>,
+          <a href="bin/Windows/gmsh-4.8.3-Windows32-sdk.zip">Windows 32-bit</a>,
+          <a href="bin/Linux/gmsh-4.8.3-Linux64-sdk.tgz">Linux 64-bit</a>,
+          <a href="bin/Linux/gmsh-4.8.3-Linux32-sdk.tgz">Linux 32-bit</a> or
+          <a href="bin/MacOSX/gmsh-4.8.3-MacOSX-sdk.tgz">MacOS</a>
         <li>Download both Gmsh and the SDK with pip: '<code>pip install --upgrade
             <a href="https://pypi.org/project/gmsh/">gmsh</a></code>'
       </ul>

doc/texinfo/version.texi

 @c This file was generated by cmake: do not edit manually!
 
-@set GMSH-VERSION 4.8.2 (development version)
+@set GMSH-VERSION 4.8.3 (development version)
 @set GITLAB-PREFIX https://gitlab.onelab.info/gmsh/gmsh/blob/master