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Diffstat (limited to 'docs/fs.md')
| -rw-r--r-- | docs/fs.md | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -713,7 +713,10 @@ whole text: never a search that silently finds nothing. An alternation whose every branch starts with `^` (`^def|^ `) finds a line that starts either way (it is taken as `^(def| )`); one that mixes anchored and unanchored branches (`^def|x`) is refused, `bad regular expression`, since -mvzr keeps `^` only first. An expression is +mvzr keeps `^` only first. A pattern may be up to 512 of mvzr's operations, +about 512 characters (mvzr's own is 64; pardes builds it with more); a +longer one is refused, `bad regular expression: longer than mvzr's 512 +operations`. An expression is evaluated from the current address, the range last written to `addr` (or left by the last `data` write, just past it), as acme evaluates it from `w->addr` (xfid.c:446): `.` is that address, not the selection (`dot` is |