[librsvg] (43 commits) ...Merge branch 'css-parse-error'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  832cca5... properties.rs: Add a helper parse_input_to_parse_error to c
  cee6918... Temporarily rename ParseError to CssParseError
  64e292e... Introduce a ParseError enum, temporarily with variants for 
  759769b... Return a ParseError from the basic parse_property()
  f5ee9e6... TextDecoration: return a CssParseError
  c269c12... Convert all the "identifiers" properties to CssParseError
  03203c3... Convert Color, FontSizeSpec, LetterSpacingSpec to CssParseE
  4fab2a5... Convert SingleFontFamily / FontFamily to CssParseError
  4d8f891... Convert FontWeightSpec / FontWeight to CssParseError
  1614684... Convert UnitInterval / all the *Opacity properties to CssPa
  02187a6... Convert IRI, ClipPath, Filter, Marker*, Mask to CssParseErr
  95b97b8... Temporary trait ParseValueToParseError
  5ea031c... Convert PaintServer, Fill, Stroke to CssParseError
  7a1aa7c... Convert Dasharray, StrokeDasharray to CssParseError
  da175ef... Convert StrokeMiterlimit to CssParseError
  8801315... Convert Length and all properties/attributes of that type t
  6d660a3... Remove unused parse_input()
  d7e14d1... Remove unused parse_and_validate()
  868547d... Convert NumberList and ViewBox to CssParseError
  dc99be7... Remove the is_*_error() functions for tests
  fcea36d... Convert Matrix to CssParseError
  c1b12d3... Convert Input and CustomIdent to CssParseError
  245f873... impl ParseToParseError for i32 instead of using an integer(
  4758373... Replace number_optional_number() with a NumberOptionalNumbe
  a1d25b5... Convert Angle, MarkerOrient to CssParseError
  09d0821... Convert StitchTiles, NoiseType to CssParseError
  5b493fa... Convert blend::Mode to CssParseError
  5776e36... Convert OperationType to CssParseError
  bd12952... Convert EdgeMode to CssParseError
  748ac7c... Convert FunctionType to CssParseError
  ae03cf4... Convert composite::Operator to CssParseError
  49c3447... Convert morphology::Operator to CssParseError
  46e6efb... Convert ColorChannel to CssParseError
  a5ed474... Convert CoordUnits to CssParseError
  7c31e69... Convert XmlLang, XmlSpace to CssParseError
  104b353... Convert AspectRatio, MarkerUnits to CssParseError
  53f19b4... Convert Points to CssParseError
  b1a3738... Convert all the remaining uses of f64::parse to the CssPars
  e4c0443... Convert SpreadMethod to CssParseError
  5b604cd... Convert StyleType to CssParseError
  024e186... Remove the Parse and ParseValue traits
  f7f70fe... The Great Renaming is done!
  fa0cd8f... Merge branch 'css-parse-error'