New -lfa_flags mode "restore_single"

xorriso/xorriso.texi

@@ -50,7 +50,7 @@
 @c man .\" First parameter, NAME, should be all caps
 @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 @c man .\" other parameters are allowed: see man(7), man(1)
-@c man .TH XORRISO 1 "Version 1.5.7, Sep 05, 2024"
+@c man .TH XORRISO 1 "Version 1.5.7, Sep 07, 2024"
 @c man .\" Please adjust this date whenever revising the manpage.
 @c man .\"
 @c man .\" Some roff macros, for reference:
@@ -1380,11 +1380,20 @@ considerations caused by restore attemps of attribute flags. Else the error
 message is issued with the given severity. Then it depends on the setting
 of command -abort_on whether restoring goes on or gets aborted.
 @*
+Mode "restore_single" tries to set the attribute flags of a file one-by-one
+if the attempt fails to set them all at once. This happens only if the
+"restore_error=" severity and the setting of command -abort_on do not
+demand to abort the program run.
+Note that some flags in some situations get ignored silently by some kernels.
+@*
+Mode "no_restore_single" disables this attempt to get at least some of the
+attribute flags into effect.
+@*
 Mode "default" reinstates the default settings:
 @*
   -lfa_flags off:read:restore:restore_su_auto:restore_only_known
 @*
-  -lfa_flags restore_mask=:restore_error=sorry
+  -lfa_flags restore_mask=:restore_error=sorry:restore_single
 @*
 Use "default:on" to get default settings with enabled processing.
 @c man .TP