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* Add line separators to HowToUsePyparsing.rst to call attention to PEP-8 naming in this document
* Update railroad diagram generation code, to show results names as group annotations, and break out all expressions with a name set using setName.
* Revert dataclasses back to NamedTuples for 3.6-7 compat; add setName calls in simpleBool.py; add simpleBool to make_diagram.py
* Remove default setName calls on delimitedList
* Add setName calls to simpleSQL for better diagram
* Remove hard-coded debug mode
* Move setName on delimitedList into test code
* Restore default setName() calls for delimitedList; set default vertical=3; update jsonParser.py and simpleSQL.py with better setName() calls (and update test_diagram.py accordingly); update test_diagram.py to move asserts after tempfiles are written, moved tempfiles to local dir instead of hard-to-find temp dir
* Get proper railroad diags for infixNotation
* Undo forced railroad_debug
* Code cleanup from PR comments
* Remove hard-coded base_expr name from infix_notation
* Add special EachItem to compose DiagramItem for Group-OneOrMore-Choice; refactored tests to move duplicated code to function; added names to mozillaCalendarParser.py for better diagram
* Make sure root element gets in the diagram, even if it has no custom name
* Update tests to reflect diagram structure changes
* Add LOOKAHEAD and LOOKBEHIND annotations for FollowedBy and PrecededBy elements, and changed the annotation on Each to [ALL]; renamed _first to _element_diagram_states; add expr.streamline() in create_diagram() to collapse nested exprs; added railroad_diagram_demo.py example general blackening; update CHANGES with latest enhancements; bump version date
* Fix pip command
* Update CHANGES and whats_new_in_3_0_0.rst with some features and acknowledgements
* Updates from PR review: change user instructions to use pyparsing[diagrams]; consistent annotations for NotAny along with FollowedBy and PrecededBy; fixed up comments and type annotations
* Remove unneeded pip installs for tox (already handled in tox.ini)
* Refactor duplicate code into decorator; drop unused group_results_name argument
* Add diagram handling for SkipTo, and for And's constructed using `expr*N` notation (use a OneOrMore diagram with a repeat count instead of a sequence of N exprs)
* Fix parsing ambiguity in railroad_diagram_demo.py so that parser can actually parse a valid input string
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