[littfed]

Closes #1109

Description

Extends the shouldPrintRawValue and rawValue attribute handling introduced for Scalar\Int_ in #1127 to Scalar\Float_.

When shouldPrintRawValue is set to true on a Scalar\Float_ node, the pretty printer emits the node's rawValue attribute directly instead of normalizing the representation. This allows preserving numeric separators (e.g. 1_000.5) and custom representations (e.g. scientific notation like 2.4578e12).

Changes

• lib/PhpParser/PrettyPrinter/Standard.php: Check shouldPrintRawValue in pScalar_Float() and return rawValue if true.
• doc/component/Pretty_printing.markdown: Update documentation to mention that shouldPrintRawValue and rawValue apply to both Scalar\Int_ and Scalar\Float_.
• test/PhpParser/PrettyPrinterTest.php:
  • Add test cases covering Scalar\Float_ with numeric separators, scientific notation, and when shouldPrintRawValue is false.
  • Prefix testPrintCustomRawValue with test so PHPUnit runs the data provider cases.

Verification

All 1,948 tests and 2,817 assertions pass cleanly with PHPUnit.