Gri Mode: variable completion

Chapters: 1: Introduction 2: Simple example 3: Invocation 4: Finer Control 5: X-Y Plots 6: Contour Plots 7: Image Plots 8: Examples 9: Gri Commands 10: Programming 11: Environment 12: Emacs Mode 13: History 14: Installation 15: Gri Bugs 16: Test Suite 17: Gri in Press 18: Acknowledgments 19: License Indices: Concepts Commands Variables | ### 12.4.4: Variable (and synonym) completion It's also possible to do ``M-tab`' completion on gri builtin variable and synonym names while editing a command. Simply type in the leading ``.`' (dot) or ``\`' (slash) character and invoke completion with ``M-tab`'. For example,
    ..x`M-tab'
displays a completions buffer listing the possible completions:
    ..xmargin..                        ..xsize..
    ..xleft..                          ..xright..
    ..xlast..
Typing in an extra ``m`' will complete to ``..xmargin..`' and the following help information will be displayed in the minibuffer:
    margin to left of axis area. Default is 6 cm.