[INFRA] fix spec-internal links from schema entries

src/03-modality-agnostic-files.md

@@ -467,6 +467,8 @@ and a guide for using macros can be found at
    }
 ) }}
 
+{{ MACROS___make_path_relative() }}
+
 Additional fields can include external behavioral measures relevant to the
 scan.
 For example vigilance questionnaire score administered after a resting

src/schema/objects/columns.yaml

@@ -17,6 +17,7 @@ acq_time__scans:
     Furthermore, if this header is provided, the acquisition times of all files
     from the same recording MUST be identical.
     Datetime format and their anonymization are described in [Units](/02-common-principles.html#units).
+    {{ MACROS___make_path_relative() }} ... does this even work?
   type: string
   format: datetime
 acq_time__sessions:

tools/mkdocs_macros_bids/macros.py

@@ -173,3 +173,7 @@ def make_filetree_example(filetree_info, use_pipe=True):
     """
     tree = example.DirectoryTree(filetree_info, use_pipe)
     return tree.generate()
+
+
+def make_path_relative():
+    return "This is a TEST"

tools/mkdocs_macros_bids/main.py

@@ -40,3 +40,4 @@ def define_env(env):
     env.macro(macros.make_metadata_table, "MACROS___make_metadata_table")
     env.macro(macros.make_columns_table, "MACROS___make_columns_table")
     env.macro(macros.make_filetree_example, "MACROS___make_filetree_example")
+    env.macro(macros.make_path_relative, "MACROS___make_path_relative")