message: glterminal: degrade shader feature usage in order to test running on WSL / remote X11.
diff: @@ -58,8 +58,8 @@ GLTextShaper::~GLTextShaper()
  string const& GLTextShaper::vertexShaderCode()
  {
  static string const code = R"(
  - #version 330 core
  - layout (location = 0) in vec4 vertex; // <vec2 pos, vec2 tex>
  + #version 150 core
  + in vec4 vertex;
  out vec2 TexCoords;
  uniform mat4 projection;
  @@ -76,7 +76,7 @@ string const& GLTextShaper::vertexShaderCode()
  string const& GLTextShaper::fragmentShaderCode()
  {
  static string const code = R"(
  - #version 330 core
  + #version 150 core
  in vec2 TexCoords;
  out vec4 color;
  