--- freem/doc/freem.texi	2025/05/05 13:13:39	1.48
+++ freem/doc/freem.texi	2025/05/05 14:26:59	1.51
@@ -1713,6 +1713,8 @@ Returns the Levenshtein distance between
 @cindex intrinsic functions, $ZM
 @cindex intrinsic functions, implementation-specific
 
+Purpose unknown.
+
 @node $ZNAME()
 @section $ZNAME
 @cindex $ZNAME
@@ -2048,18 +2050,18 @@ Identical to @ref{$TRANSLATE()}, except
 * ZBREAK::                              Enable/disable ZBREAK mode.
 * ZCONST::                              Define a constant that cannot be altered after initial definition.
 * ZGOTO::                               @code{GOTO} with @code{BREAK} control.
-* ZHALT::                               Unknown.
+* ZHALT::                               Exit FreeM job with return value.
 * ZINSERT::                             Insert code into routine buffer.
-* ZJOB::                                Invokes a job, ignoring any timeouts.
+* ZJOB::                                Invoke job, ignoring any timeouts.
 * ZLOAD::                               Load routine into routine buffer.
 * ZMAP::                                Map a global name to a non-default namespace.
 * ZNEW::                                Unknown.
 * ZPRINT::                              Print contents of routine buffer.
-* ZQUIT::                               Quits multiple stack levels at once.
+* ZQUIT::                               Quit multiple stack levels at once.
 * ZREMOVE::                             Remove code from routine buffer.
 * ZSAVE::                               Save routine buffer to disk.
 * ZTHROW::                              Programmatically raise an error condition.
-* ZTRAP::                               Unknown.
+* ZTRAP::                               Raise a FreeM error.
 * ZUNMAP::                              Remove a mapping of a global to a non-default namespace.
 * ZWATCH::                              Enable or disable watchpoints, or set or clear watchpoints on specified globals, locals, or structured system variables.
 * ZWITH::                               Set prefix for future variable references.
@@ -3579,6 +3581,8 @@ Raises an error condition as long as the
 @cindex commands, non-standard
 @emph{FreeM Extension}
 
+Synonymous with @ref{ZTHROW}.
+
 @node ZUNMAP
 @section ZUNMAP
 @cindex ZUNMAP