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/print.m
+++ b/scripts/plot/print.m
@@ -207,11 +207,10 @@
 ## is sent to a file the size is determined by the plot box defined by
 ## the figure's "paperposition" property.
 ##
-## @itemx -append
-##   Append Postscript or PDF output to a pre-existing file of the
-## same type.
+## @item -append
+##   Append Postscript or PDF output to a pre-existing file of the same type.
 ##
-## @itemx -r@var{NUM}
+## @item -r@var{NUM}
 ##   Resolution of bitmaps in pixels per inch.  For both metafiles and
 ## SVG the default is the screen resolution; for other formats it is 150 dpi.
 ## To specify screen resolution, use "-r0".