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-rw-r--r--docs/fs.md5
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/fs.md b/docs/fs.md
index 3efc5b36..ebc85f12 100644
--- a/docs/fs.md
+++ b/docs/fs.md
@@ -240,7 +240,10 @@ same tree without leaving the process.
which shows its output and then `exit N` (its tag reads `<dir> (<line>)
running`, then `exit N`), and stays. The directory's next command runs in
that pane once it is done, below what it showed, after a `% <line>` line;
- one still running gets a second pane. A command pane's own exec starts
+ one still running gets a second pane. Before the next command the pane
+ leaves any alternate screen and turns off the modes a program left on
+ (mouse reports, bracketed paste, a hidden cursor); a command that clears
+ the screen and its scrollback (`clear`, ED3) erases the history above it. A command pane's own exec starts
the next command there too. The log says `run <serial> <word>` and `exit
<serial> <N|?>`; `exec` reads back the command pane's serial; Kill ends
its whole process group; a line is at most 1 KB. A misspelled word is a