Actions used by grammar_general
The search rule uses actions,
which can be specialised for different programs.
The basic action is SEARCH, which must be called with a direction ('up' or 'down') and an optional text. The rule in the grammar _general uses the form with a text.
The following meta actions are used inside the action SEARCH (with text):
start search (default {ctrl+f})
start back search (default not there, not in use yet)
search go (after filling in the characters to search for, default {enter} |