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 Vim syntax highlighting for OpenGL Shading Language
 
+## Supported GLSL Versions
+
+* OpenGL Shading Language 1.10
+* OpenGL Shading Language 1.20
+* OpenGL Shading Language 1.30
+* OpenGL Shading Language 1.40
+* OpenGL Shading Language 1.50
+* OpenGL Shading Language 3.30
+* OpenGL Shading Language 4.00
+* OpenGL Shading Language 4.10
+* OpenGL Shading Language 4.20
+* OpenGL Shading Language 4.30
+* OpenGL ES Shading Language 1.00
+* OpenGL ES Shading Language 3.00
+
 ## Installation
 
 Using pathogen: