* backgrounds (i.e. stops) or kills all members of currently running
* pipe.
*
- * Wait builtin in interruptible by signals for which user trap is set
+ * Wait builtin is interruptible by signals for which user trap is set
* or by SIGINT in interactive shell.
*
* Trap handlers will execute even within trap handlers. (right?)
* for them - a bit like emulating kernel pending signal mask in userspace.
* We are interested in: signals which need to have special handling
* as described above, and all signals which have traps set.
- * Signals are rocorded in pending_set.
+ * Signals are recorded in pending_set.
* After each pipe execution, we extract any pending signals
* and act on them.
*