message: gltfpack: Update README.md
  Prettier commandline options.
diff: @@ -46,13 +46,13 @@ By default gltfpack makes certain assumptions when optimizing the scenes, for ex
  The following settings are frequently used to reduce the resulting data size:
  -* -cc: produce compressed gltf/glb files (requires `EXT_meshopt_compression`)
  -* -tc: convert all textures to KTX2 with BasisU supercompression (using basisu executable; requires `KHR_image_basisu`)
  -* -mi: use mesh instancing when serializing references to the same meshes (requires `EXT_mesh_gpu_instancing`)
  -* -si R: simplify meshes to achieve the ratio R (default: 1; R should be between 0 and 1)
  +* `-cc`: produce compressed gltf/glb files (requires `EXT_meshopt_compression`)
  +* `-tc`: convert all textures to KTX2 with BasisU supercompression (using basisu executable; requires `KHR_image_basisu`)
  +* `-mi`: use mesh instancing when serializing references to the same meshes (requires `EXT_mesh_gpu_instancing`)
  +* `-si R`: simplify meshes to achieve the ratio R (default: 1; R should be between 0 and 1)
  The following settings are frequently used to restrict some optimizations:
  -* -kn: keep named nodes and meshes attached to named nodes so that named nodes can be transformed externally
  -* -km: keep named materials and disable named material merging
  -* -ke: keep extras data
  +* `-kn`: keep named nodes and meshes attached to named nodes so that named nodes can be transformed externally
  +* `-km`: keep named materials and disable named material merging
  +* `-ke`: keep extras data
  