[librsvg] (51 commits) ...Merge branch 'refactor-parsers'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  3b441d9... Use a utility function
  442c0ec... Use ValueErrorKind::parse_error instead of creating the var
  3f5ec73... lighting.rs: Don't use NodeError directly
  f32996d... turbulence.rs: Don't create a NodeError directly
  6445bb1... filters/image.rs: Don't create a NodeError directly
  0384845... morphology.rs: Don't create a NodeError directly
  02e82cc... gaussian_blur.rs: Don't create a NodeError directly
  cffd40e... component_transfer.rs: Don't create a NodeError directly
  7b27f07... convolve_matrix.rs: Don't create a NodeError directly
  acae66e... image.rs: Don't create a NodeError directly
  302eb3d... parsers.rs: Don't create a NodeError directly
  81e38af... node.rs: Don't create a NodeError directly
  54f2f49... color_matrix.rs: Don't create NodeError directly
  61d5fed... NodeError: remove unused method value_error()
  1e08436... displacement_map.rs: Don't create a NodeError directly
  8fc05fd... morphology.rs: Don't create a NodeError directly
  8d9fa4f... component_transfer.rs: Don't create a NodeError directly
  789fea9... convolve_matrix.rs: Don't create a NodeError directly
  b52d55b... blend.rs: Don't create a NodeError directly
  85614c7... filters/input.rs: Don't create a NodeError directly
  674ded5... turbulence.rs: Don't create a NodeError directly
  e37ee52... Remove unused NodeError::parse_error
  5954f6f... Inline NodeError::new() into its only caller
  695e30d... Remove unneeded type parameter E on AttributeResultExt
  b72421e... Introduce a ParseError type
  4f5212b... parse_identifiers! - new macro for parsing symbol lists fro
  7d9973a... aspect_ratio: use parse_identifiers!
  2ffe439... property_macros: use parse_identifiers! for the identifiers
  ca28b2b... FontSizeSpec: simplify parsing
  aa4b4f7... LetterSpacingSpec: simplify parsing
  3428fe7... SpreadMethod: simplify parsing
  2a9b4a3... MarkerUnits: simplify parsing
  7a5d0da... CoordUnits: simplify parsing
  00dae7c... BaselineShift: simplify parsing
  f4705c1... Operator: simplify parsing
  b6f3073... component_transfer.rs: impl Parse for FunctionType instead 
  bbd9c56... displacement_map.rs: impl Parse for ColorChannel instead of
  6d36336... morphology.rs: impl Parse for Operator instead of using a c
  b315842... Remove a few unnecessary derives
  24f86fc... convolve_matrix.rs: impl Parse for bool for the preserveAlp
  62c0cff... convolve_matrix.rs: impl Parse for EdgeMode instead of usin
  34cabb8... color_matrix.rs: impl Parse for OperationType instead of us
  af9fec4... color_matrix.rs: impl Default for OperationType
  c4cf96e... blend.rs: impl Parse for Mode instead of using a custom met
  cc97f87... turbulence.rs: impl Parse for StitchTiles and NoiseType ins
  113dd79... filters/input.rs: Implement the CSS custom-ident type
  b08f449... Return a BasicParseError from parse_identifiers
  67d4014... Input::FilterOutput(x) make x a CustomIdent, not a String
  76360fe... FontSizeSpec: simplify parser
  2781f03... Remove the CssParserExt trait
  d1a81ab... Merge branch 'refactor-parsers'