Format specifiers in f-strings don't highlight the entire thing in a consistent manner

Hello. Sometimes the :... aspect of a format string is highlighted in its entirety but often times it's not. I would like to know if it's possible to make it so it's all under the same consistent scope or if it's by design that it doesn't. My main use case has to do with types using a custom __format__.

For example:

I would have imagined both of these to fall under the same scope but they're not.

The first screenshot goes source.python > meta.fstring.python > storage.type.format.python
The second screenshot goes source.python > meta.function-call.python > meta.function-call.arguments.python > meta.fstring.python

A regular line of code without using custom __format__ (e.g. {test:.2f}) goes as source.python > meta.function-call.python > meta.function-call.arguments.python > meta.fstring.python > storage.type.format.python which is what I would expect the other two to return as well, unless it's meant to be treated differently.

• Editor name and version: Sublime Text 3.2.1 Build 3207
• Platform: Windows 8.1
• Color scheme: Custom
• MagicPython version: 1.1.1
• A sreenshot: See above
• 5-10 lines of surrounding code: In the screenshot hopefully

首先在使用 MagicPython 1.1.1 的 Sublime Text 3.2.1 中重现两个 f-string 示例，并检查它们的语法 scope，将其与常规的 {test:.2f} 示例进行比较。当报告案例中的格式说明符获得一致的 scope，或该行为被记录为有意设计时，即视为完成。