Produces a CodeMirror CompletionSource for a sectioned heading-only DSL.
Triggers on lines beginning with # (H1) or ## (H2). H1 suggestions
are filtered to omit sections already present elsewhere in the document.
H2 suggestions are scoped to whichever H1 the cursor sits inside.
Produces a CodeMirror
CompletionSourcefor a sectioned heading-only DSL.Triggers on lines beginning with
#(H1) or##(H2). H1 suggestions are filtered to omit sections already present elsewhere in the document. H2 suggestions are scoped to whichever H1 the cursor sits inside.