[haxe.org/manual] Optional Arguments

# Optional Arguments - Haxe - The Cross-platform Toolkit

Haxe is an open source toolkit based on a modern, high level, strictly typed programming language.

[https://haxe.org/manual/types-function-optional-arguments.html](https://haxe.org/manual/types-function-optional-arguments.html)

Start by reading the linked Haxe manual page, types-function-optional-arguments.html, and the two issue comments to determine what documentation change is being requested. The issue provides no file, section, or acceptance criteria; work is done only when the requested correction or clarification is defined and reflected on that page.

Written by the indexing model from the issue text.