Merge of users/10107: SIGQUIT is ignored by the shell.

Doc/Zsh/jobs.yo

@@ -2,12 +2,13 @@ texinode(Jobs & Signals)(Arithmetic Evaluation)(Functions)(Top)
 chapter(Jobs & Signals)
 sect(Jobs)
 cindex(jobs)
+pindex(MONITOR, use of)
 If the tt(MONITOR) option is set,
 an interactive shell associates a em(job) with each pipeline.
 It keeps a table of current jobs, printed by the tt(jobs)
 command, and assigns them small integer numbers.
 When a job is started asynchronously with `tt(&)',
-the shell prints a line which looks like:
+the shell prints a line to standard error which looks like:
 
 example([1] 1234)
 
@@ -44,6 +45,11 @@ If you set this
 tty option, then background jobs will suspend when they try to produce
 output like they do when they try to read input.
 
+When a command is suspended and continued later with the tt(fg) or
+tt(wait) builtins, zsh restores tty modes that were in effect when it was
+suspended.  This (intentionally) does not apply if the command is
+continued via `tt(kill -CONT)', nor when it is continued with tt(bg).
+
 cindex(jobs, referring to)
 cindex(referring to jobs)
 There are several ways to refer to jobs in the shell.
@@ -64,6 +70,8 @@ pindex(NOTIFY, use of)
 It normally informs you whenever a job becomes blocked so that
 no further progress is possible.  If the tt(NOTIFY) option is not set,
 it waits until just before it prints a prompt before it informs you.
+All such notifications are sent directly to the terminal, not to
+the standard output or standard error.
 
 When the monitor mode is on, each background job that completes
 triggers any trap set for tt(CHLD).
@@ -87,6 +95,7 @@ sect(Signals)
 The tt(INT) and tt(QUIT) signals for an invoked
 command are ignored if the command is followed by
 `tt(&)' and the tt(MONITOR) option is not active.
+The shell itself always ignores the tt(QUIT) signal.
 Otherwise, signals have the values
 inherited by the shell from its parent
 (but see the tt(TRAP)var(NAL) special functions in noderef(Functions)).