Provisional Ion syntax highlighting in Sublime Text 3

I've been playing around with sublime-syntax files in attempt to get Ion syntax highlighting working by using as template this C.syntax-definition. The bad news is that I didn't figured out how the file works (yet). The good news is that, with some minor changes, it is possible to get large Ion syntax coverage.

What was changed?
Basically 3 things:
1st, At the top of the file:

name: C
file_extensions:
  - c
  - h

changed to

1
2
3

name: Ion
file_extensions:
  - ion

2nd, the key 'basic_types' under 'variables', in line 11:

1	basic_types: 'asm\|__asm__\|auto\|bool\|_Bool\|char\|_Complex\|double\|float\|_Imaginary\|int\|long\|short\|signed\|unsigned\|void'

changed to include all ion basic types (the example below requires verification):

1	basic_types: 'bool\|char\|schar\|uchar\|double\|float\|int\|uint\|uintptr\|\|long\|ulong\|llong\|ullong\|short\|ushort\|signed\|unsigned\|void'

And 3rd, every scope name terminated in .c got replaced by .ion. Example:

- match: ^/\* =(\s*.*?)\s*= \*/$\n?
   scope: comment.block.c
   captures:
     1: meta.toc-list.banner.block.c

becomes

- match: ^/\* =(\s*.*?)\s*= \*/$\n?
   scope: comment.block.ion
   captures:
     1: meta.toc-list.banner.block.ion

To add this definition in ST, you must:
1. Install the Sublime Text package PackageDev;
2. After installation, click on "New Syntax Definition..." under Tools>Packages>PackageDevelopment menu;
3. A new template syntax will be created, but you can replace its contents with the C.sublime-syntax file contents (change it as above);
4. Save it and enjoy.

P.S.: Sorry for any bad english in the text.