27566: add ulimit -c hard and immediate return on argument error

1 files changed, 12 insertions, 7 deletions

diff --git a/Doc/Zsh/builtins.yo b/Doc/Zsh/builtins.yo
index 5ca4ae612..cc771096a 100644
--- a/Doc/Zsh/builtins.yo
+++ b/Doc/Zsh/builtins.yo
@@ -1710,13 +1710,18 @@ cindex(limits, resource)
 item(tt(ulimit) [ [ tt(-SHacdfilmnpqstvx) | tt(-N) var(resource) [ var(limit) ] ... ])(
 Set or display resource limits of the shell and the processes started by
 the shell.  The value of var(limit) can be a number in the unit specified
-below or the value `tt(unlimited)'.  By default, only soft limits are
-manipulated. If the tt(-H) flag is given use
-hard limits instead of soft limits.  If the tt(-S) flag is given
-together with the tt(-H) flag set both hard and soft limits.  If no
-options are used, the file size limit (tt(-f)) is assumed.  If
-var(limit) is omitted the current value of the specified resources are
-printed.  When more than one resource values are printed the limit name and
+below or one of the values `tt(unlimited)', which removes the limit on the
+resource, or `tt(hard)', which uses the current value of the hard limit on
+the resource.
+
+By default, only soft limits are manipulated. If the tt(-H) flag
+is given use hard limits instead of soft limits.  If the tt(-S) flag is given
+together with the tt(-H) flag set both hard and soft limits.
+
+If no options are used, the file size limit (tt(-f)) is assumed.
+
+If var(limit) is omitted the current value of the specified resources are
+printed.  When more than one resource value is printed, the limit name and
 unit is printed before each value.
 
 When looping over multiple resources, the shell will abort immediately if