Initial English reference marker linguistic cues file
Lnguistic cue framework
Add tags to linguistic cue framework
Close tag in settings
Fix XML variable name and add split to list
Add linguistic cue handler
Add conditional flow to linguistic cue check
Fix tests
Remove unsage print debug command
More powerful linguistic cue check
Add case insensitivity to linguistic cue check
Fixes to crash on last heading handling
Reference linker initial infrastructure
Initial crude reference link matching
Refined link matching; now only gets whole words
Stash found references in a replace object
Create IDs for ref tags that don't have them and link references
Link text within sub-elements
Link text within sub-elements' tails
Ensure links are not recursively nested