Changes in version 0.4.5                        

  - added get_grpvars to extract names (or symbols) of grouping
    variables from a formula
  - improvements to reOnly() (for lme4 structured covariances) (takes
    specials and default.special arguments, default.special defaults to
    NULL)
  - removed Rdpack dependency

                 Changes in version 0.4.4 (2026-02-02)                  

  - machinery works with Formula objects where length(length(f)) > 1

                Changes in version 0.4.3.1 (2026-01-08)                 

  - findbars_x ignores terms of the form <special>(...) with no bar or
    double bar in the argument; splitFormula() takes special account of
    s()
  - printing for covariance matrices with NA correlations (when
    full_cor=FALSE)
  - VarCorr printing improvements (correctly handle maxdim argument)

                 Changes in version 0.4.3 (2025-12-17)                  

  - add machinery for pretty-printing random effects parameters of mixed
    models, especially allowing for various classes of structured
    covariances. This machinery is intended to be shared by lme4 and
    glmmTMB (at least). These include formatVC and S3 methods such as
    format_corr, get_sd, which will migrate from lme4 and/or glmmTMB.

                 Changes in version 0.4.2 (2025-10-28)                  

  - add randint function to remove random slopes from a formula
    (Raffaele Mancuso)
  - add ord to mkReTrms output, for re-ordering terms back to original
    formula order
  - unexported head.* methods, to avoid conflicts with other packages
  - no_specials() drops extra arguments (e.g. us(a|b, c) returns ((a|b))

                 Changes in version 0.4.1 (2025-04-30)                  

  - add sparse argument to mkReTrms (for controlling sparsity of effects
    model matrix J, in Z construction)

                 Changes in version 0.4.0 (2024-11-03)                  

  - expandAllGrpVars etc. expands complex terms
  - anySpecials now handles "naked" specials (e.g. s rather than s(...))
    properly
  - findbars now only looks on the RHS of a formula (restore
    back-compatibility in cases where a term with | occurs on the LHS,
    as in the tramME package)
  - add tests (tinytest)
  - fix noSpecials bug (complex LHS and empty RHS after eliminating
    specials)

                 Changes in version 0.3.0 (2024-06-05)                  

  - Preparing for lme4 inclusion: include/move functions from lme4
    (expandDoubleVerts etc.), new imports/exports, etc.

                 Changes in version 0.2.0 (2024-03-13)                  

Initial release