anchor.diff:  
   This option affects all compiled shaders.
   
  -[[option-f-shader-stage]]
  +[[option-fshader-stage]]
   ==== `-fshader-stage=`
   
   `-fshader-stage=<stage>` lets you specify the shader stage for one or more
  
positive.code: on the other hand, enable you to specify shader stages from the command line
  and within the source file. Possible ``stage``s for them are also listed in
  the following table. Details about `-fshader-stage=` can be found in
  <<option-f-shader-stage,its own section>>.
  
  [[shader-stage-selection]]
  .Shader Stage Selection
  
negative.code:                  {0x07230203, 0x00010000, 0x00080001, 0x00000006...}
  |===
  
  [[option-fhlsl-offsets]]
  ==== `-fhlsl-offsets`
  
  Use HLSL packing rules instead of GLSL rules when determining offsets of
  members of blocks.  This option is always on when compiling for HLSL.
  
  [[option-fentry-point]]
  ==== `-fentry-point=`
  
  `-fentry-point=<name>` lets you specify the entry point name.  This is only
  significant for HLSL compilation.  The default is "main".
  
  
  === Warning and Error Options
  
  ==== `-w`
  