docs: Remove the limitation for the id fragment

The id fragment can now be used across namespace boundaries.
3 jobs for generic-id-ref in 1 minute and 56 seconds (queued for 5 seconds)
Status Name Job ID Coverage
  Check
passed flake8 #1467500

00:01:56

failed mypy #1467501
allowed to fail

00:01:30

passed reuse #1467502

00:01:50

 
Name Stage Failure
failed
mypy Check
gidocgen/gir/parser.py:984: error: Argument "get_type" to "GType" has incompatible type "Optional[str]"; expected "str"
gidocgen/gir/parser.py:1006: error: Argument "name" to "Union" has incompatible type "Optional[str]"; expected "str"
gidocgen/gir/parser.py:1006: error: Argument "symbol_prefix" to "Union" has incompatible type "Optional[str]"; expected "str"
gidocgen/gir/parser.py:1006: error: Argument "ctype" to "Union" has incompatible type "Optional[str]"; expected "str"
gidocgen/gir/parser.py:1008: error: Argument 1 to "set_version" of "GIRElement" has incompatible type "Optional[str]"; expected "str"
gidocgen/utils.py:818: error: Need type annotation for 'found_programs' (hint: "found_programs: Dict[<type>, <type>] = ...")
Found 211 errors in 3 files (checked 17 source files)
Cleaning up file based variables
ERROR: Job failed: exit code 1