Set colors of paths

fix #45 (closed)

Changes

• Parse all known colors for paths

• add and document Xy
• check stroke and fill
• use rgb_string

• Test stroke and fill colors of paths

• Convert all values to RGB strings

see also

• #45 (closed)
• #17

Checklist

• Change is tested

• Change is documented.

• Licenses are up to date

Related

• #17
• #48