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diff --git a/doc/sciteco.7.template b/doc/sciteco.7.template index 288c3dd..a9bc944 100644 --- a/doc/sciteco.7.template +++ b/doc/sciteco.7.template @@ -223,6 +223,39 @@ in long Q-Register names. The names are all derived from key definitions of the curses library \(em not all of them may be supported on any particular user interface. +.LP +By default function key macros are effective everywhere \(em +pressing a function key has the same effect as processing +the characters of the corresponding function key macro as +immediate editing commands (or self-inserting characters). +However function key macros that rewrite the current command line +will only work correctly from specific \*(ST parser states. +\*(ST therefore allows you to mask function key macros in +specific parser states by evaluating the Q-Register's numeric +part, thus allowing you to control \fIwhere\fP a function key +macro is effective. +The numeric part represents a bitmask of states where +function keys are \fIdisabled\fP (so the default value 0 +enables that function key everywhere). +\*(ST defines the following state flags: +.IP 1 4 +Bit 0 represents the \(lqstart\(rq state where \*(ST accepts the +beginning of a command. +This is the state you will want command line editing macros +to be enabled in. +.IP 2 +Bit 1 represents any string argument. +.LP +All other bits/flags represent any other parser state. +Consequently, setting the register to the inverse of a bitmask of +state flags enables the corresponding macro only for the specified +states. +For instance, to enable the \(lq^FRIGHT\(rq function key macro +only in the \(lqstart\(rq state, you could set: +.EX +1^_U[^FRIGHT] +.EE +.LP A set of useful Function Key Macros are provided in the standard library .BR fnkeys.tes . |