doc: Fix warnings associated with Texinfo 5.0 (bug #38392) * doc/interpreter/octave.texi: Start @end flushright at beginning of new line. * doc/interpreter/plot.txi: Use @itemx after @item in table for markeredgecolor. * doc/interpreter/tips.txi: Eliminate null @item entries in table of variable recommendations. * libinterp/interpfcn/dirfns.cc: Use @itemx instead of @item in table of regexp patterns. * libinterp/interpfcn/file-io.cc: Use @item rather than just formatted text in @table for Endian format. * scripts/io/strread.m: Use @itemx after @item for format %f,%n. * scripts/plot/legend.m: Use @item instead of @itemx in table of options. * scripts/plot/print.m: Use @item instead of @itemx in table of options. * scripts/time/datetick.m: Overhaul docstring.

--- a/scripts/plot/legend.m
+++ b/scripts/plot/legend.m
@@ -87,7 +87,7 @@
 ## @item "hide"
 ##   Hide legend on the plot
 ##
-## @itemx "toggle"
+## @item "toggle"
 ##   Toggles between "hide" and "show"
 ##
 ## @item "boxon"
@@ -102,7 +102,7 @@
 ## @item "right"
 ##   Place label text to the right of the keys
 ##
-## @itemx "off"
+## @item  "off"
 ##   Delete the legend object
 ## @end table
 ##