Default -abort_on value is now "FAILURE", for dialog it stays "FATAL"

xorriso/xorriso.texi

@@ -3316,6 +3316,10 @@ file content stems from the loaded ISO image and is not filtered.
 Enable or disable to enter dialog mode after all arguments are processed.
 In dialog mode input lines get prompted via readline or from stdin.
 @*
+If no -abort_on severity was set when dialog starts, then "FATAL" is set
+to avoid abort in most cases of wrong input. Before dialog begins the
+default is "FAILURE" which e.g. aborts on unknown commands.
+@*
 Mode "on" supports input of newline characters within quotation marks and
 line continuation by trailing backslash outside quotation marks.
 Mode "single_line" does not.
@@ -3475,6 +3479,8 @@ Print the foreseeable consumption of 2048 byte blocks
 by next -commit. This can last a while as a -commit gets
 prepared and only in last moment is revoked by this option.
 The result depends on several settings and also on the kind of output device.
+If no -jidgo options are given, then -padding (300 kB by default) is not
+counted as part of the image size.
 @c man .TP
 @item -tell_media_space
 @kindex -tell_media_space   reports free space
@@ -5069,6 +5075,8 @@ When done with writing the new session gets checked by its recorded MD5.
 @*
 @sp 1
 $ xorriso \
+@*
+ -abort_on FATAL \
 @*
  -for_backup -disk_dev_ino on \
 @*