--- a/doc/interpreter/plot.txi	Thu Sep 17 10:24:55 2020 -0700
+++ b/doc/interpreter/plot.txi	Thu Sep 17 11:07:19 2020 -0700
@@ -1181,7 +1181,7 @@
 
 In addition, there are several functions which operate on properties of the
 graphics objects and which also return handles.  This includes but is not
-limited to the following functions:  The functions @code{plot} and @code{plot3}
+limited to the following functions: The functions @code{plot} and @code{plot3}
 return a handle pointing to an object of type @code{line}.  The function
 @code{subplot} returns a handle pointing to an object of type @code{axes}.
 The functions @code{fill}, @code{trimesh}, and @code{trisurf} return a handle

--- a/libinterp/corefcn/jsonencode.cc	Thu Sep 17 10:24:55 2020 -0700
+++ b/libinterp/corefcn/jsonencode.cc	Thu Sep 17 11:07:19 2020 -0700
@@ -473,7 +473,7 @@
 result will be a column vector.
 
 @item
-Encoding and decoding is not guaranteed to preserve the Octave data type 
+Encoding and decoding is not guaranteed to preserve the Octave data type
 because JSON supports fewer data types than Octave.  For example, if you
 encode an @code{int8} and then decode it, you will get a @code{double}.
 @end itemize
@@ -481,25 +481,26 @@
 This table shows the conversions from Octave data types to JSON data types:
 
 @multitable @columnfractions 0.50 0.50
-@headitem  Octave data type @tab JSON data type
-@item logical scalar @tab Boolean 
-@item logical vector @tab Array of Boolean, reshaped to row vector 
-@item logical array  @tab nested Array of Boolean 
-@item numeric scalar @tab Number 
+@headitem Octave data type @tab JSON data type
+@item logical scalar @tab Boolean
+@item logical vector @tab Array of Boolean, reshaped to row vector
+@item logical array  @tab nested Array of Boolean
+@item numeric scalar @tab Number
 @item numeric vector @tab Array of Number, reshaped to row vector
-@item numeric array  @tab nested Array of Number 
+@item numeric array  @tab nested Array of Number
 @item @code{NaN}, @code{NA}, @code{Inf}, @code{-Inf}@*
 when @qcode{"ConvertInfAndNaN" = true} @tab @qcode{"null"}
 @item @code{NaN}, @code{NA}, @code{Inf}, @code{-Inf}@*
-when @qcode{"ConvertInfAndNaN" = false} @tab @qcode{"NaN"}, @qcode{"NaN"}, @qcode{"Infinity"}, @qcode{"-Infinity"}
+when @qcode{"ConvertInfAndNaN" = false} @tab @qcode{"NaN"}, @qcode{"NaN"},
+@qcode{"Infinity"}, @qcode{"-Infinity"}
 @item empty array    @tab @qcode{"[]"}
-@item character vector @tab String 
-@item character array @tab Array of String 
+@item character vector @tab String
+@item character array @tab Array of String
 @item empty character array @tab @qcode{""}
 @item cell scalar @tab Array
 @item cell vector @tab Array, reshaped to row vector
-@item cell array @tab Array, flattened to row vector 
-@item struct scalar @tab Object 
+@item cell array @tab Array, flattened to row vector
+@item struct scalar @tab Object
 @item struct vector @tab Array of Object, reshaped to row vector
 @item struct array  @tab nested Array of Object
 @item classdef object @tab Object

--- a/libinterp/corefcn/strfns.cc	Thu Sep 17 10:24:55 2020 -0700
+++ b/libinterp/corefcn/strfns.cc	Thu Sep 17 11:07:19 2020 -0700
@@ -1051,10 +1051,10 @@
 Return string with valid UTF-8.
 
 On encountering invalid UTF-8 in @var{in_str}, the bytes are either replaced by
-the replacement character "�" (if @var{mode} is omitted or is the string
-"replace") or interpreted as the Unicode code points U+0080–U+00FF with the
-same value as the byte (if @var{mode} is the string "unicode"), thus
-interpreting the bytes according to ISO-8859-1.
+the replacement character @qcode{"�"} (if @var{mode} is omitted or is the
+string @qcode{"replace"}) or interpreted as the Unicode code points
+U+0080–U+00FF with the same value as the byte (if @var{mode} is the string
+@qcode{"unicode"}), thus interpreting the bytes according to ISO-8859-1.
 @end deftypefn */)
 {
   int nargin = args.length ();

--- a/libinterp/corefcn/sysdep.cc	Thu Sep 17 10:24:55 2020 -0700
+++ b/libinterp/corefcn/sysdep.cc	Thu Sep 17 11:07:19 2020 -0700
@@ -247,10 +247,10 @@
 
 DEFUN (__is_elevated_process__, args, ,
        doc: /* -*- texinfo -*-
-@deftypefn  {} {@var{retval} =} __is_elevated_process__ ()
+@deftypefn {} {@var{retval} =} __is_elevated_process__ ()
 Check if current process has elevated rights.
 
-On Windows, return true if the current process has elevated right. Otherwise,
+On Windows, return true if the current process has elevated right.  Otherwise,
 return false.
 On non-Windows platforms, this function fails with an error.
 @end deftypefn */)

--- a/scripts/general/integral.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/general/integral.m	Thu Sep 17 11:07:19 2020 -0700
@@ -33,8 +33,9 @@
 ## @code{integral} is a wrapper for @code{quadcc} (general real-valued, scalar
 ## integrands and limits), @code{quadgk} (integrals with specified integration
 ## paths), and @code{quadv} (array-valued integrands) that is intended to
-## provide @sc{matlab} compatibility.  More control of the numerical integration
-## may be achievable by calling the various quadrature functions directly.
+## provide @sc{matlab} compatibility.  More control of the numerical
+## integration may be achievable by calling the various quadrature functions
+## directly.
 ##
 ## @var{f} is a function handle, inline function, or string containing the name
 ## of the function to evaluate.  The function @var{f} must be vectorized and

--- a/scripts/general/pol2cart.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/general/pol2cart.m	Thu Sep 17 11:07:19 2020 -0700
@@ -56,9 +56,11 @@
 ## @ifnottex
 ##
 ## @example
+## @group
 ## @var{x} = @var{r} * cos (@var{theta})
 ## @var{y} = @var{r} * sin (@var{theta})
 ## @var{z} = @var{z}
+## @end group
 ## @end example
 ##
 ## @end ifnottex

--- a/scripts/general/sph2cart.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/general/sph2cart.m	Thu Sep 17 11:07:19 2020 -0700
@@ -54,9 +54,11 @@
 ## @ifnottex
 ##
 ## @example
+## @group
 ## @var{x} = r * cos (@var{phi}) * cos (@var{theta})
 ## @var{y} = r * cos (@var{phi}) * sin (@var{theta})
 ## @var{z} = r * sin (@var{phi})
+## @end group
 ## @end example
 ##
 ## @end ifnottex

--- a/scripts/miscellaneous/fullfile.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/miscellaneous/fullfile.m	Thu Sep 17 11:07:19 2020 -0700
@@ -24,7 +24,7 @@
 ########################################################################
 
 ## -*- texinfo -*-
-## @deftypefn  {} {@var{filename} =} fullfile (@var{dir1}, @var{dir2}, @dots{}, @var{file})
+## @deftypefn {} {@var{filename} =} fullfile (@var{dir1}, @var{dir2}, @dots{}, @var{file})
 ## Build complete filename from separate parts.
 ##
 ## The function joins any number of path components intelligently.  The return

--- a/scripts/miscellaneous/memory.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/miscellaneous/memory.m	Thu Sep 17 11:07:19 2020 -0700
@@ -33,35 +33,39 @@
 ##
 ## The output argument @var{userdata} is a structure with the following fields
 ## containing data for the Octave process:
+##
 ## @table @code
 ## @item @var{MaxPossibleArrayBytes}
 ## Maximum size for an array to be allocated.  Be aware that this includes
 ## @emph{all} physical memory and swap space.  Allocating that amount of memory
 ## might result in system instability, data corruption and/or file system
-## curruption.  Note that dependend on the platform (32bit systems), the largest
-## contiguous memory block might further limit the maximum possible allocatable
-## array.  This check is currently not implemented.
+## curruption.  Note that dependend on the platform (32bit systems), the
+## largest contiguous memory block might further limit the maximum possible
+## allocatable array.  This check is currently not implemented.
 ##
 ## @item @var{MemAvailableAllArrays}
 ## The total size of available memory in bytes.
 ##
 ## @item @var{ram_available_all_arrays}
 ## The maximum size for an array that can be allocated in physical memory
-## (excluding swap space).  Note that dependend on the platform (32bit systems),
-## the largest contiguous memory block might further limit the maximum possible
-## allocatable array.  This check is currently not implemented.
+## (excluding swap space).  Note that dependend on the platform (32bit
+## systems), the largest contiguous memory block might further limit the
+## maximum possible allocatable array.  This check is currently not
+## implemented.
 ##
-## @item @var{MemUsedMATLAB}
+## @item  @var{MemUsedMATLAB}
 ## @itemx @var{mem_used_octave}
 ## The memory (including swap space) currently used by Octave in bytes.
 ##
 ## @item @var{ram_used_octave}
-## The physical memory (excluding swap space) currently used by Octave in bytes.
+## The physical memory (excluding swap space) currently used by Octave in
+## bytes.
 ##
 ## @end table
 ##
-## The output argument @var{systemdata} is a nested structure with the following
-## fields containing information about the system's memory:
+## The output argument @var{systemdata} is a nested structure with the
+## following fields containing information about the system's memory:
+##
 ## @table @code
 ## @item @var{PhysicalMemory.Available}
 ## The currently available pyhsical memory in bytes.

--- a/scripts/plot/draw/area.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/plot/draw/area.m	Thu Sep 17 11:07:19 2020 -0700
@@ -41,7 +41,7 @@
 ## the shading under the curve should be defined.  The default level is 0.
 ##
 ## Additional property/value pairs are passed directly to the underlying patch
-## object. The full list of properties is documented at
+## object.  The full list of properties is documented at
 ## @ref{Patch Properties}.
 ##
 ## If the first argument @var{hax} is an axes handle, then plot into this axes,

--- a/scripts/plot/draw/colorbar.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/plot/draw/colorbar.m	Thu Sep 17 11:07:19 2020 -0700
@@ -82,7 +82,7 @@
 ## operate on this colorbar directly.
 ##
 ## Additional property/value pairs are passed directly to the underlying axes
-## object. The full list of properties is documented at
+## object.  The full list of properties is documented at
 ## @ref{Axes Properties}.
 ##
 ## The optional return value @var{h} is a graphics handle to the created

--- a/scripts/plot/draw/stairs.m	Thu Sep 17 10:24:55 2020 -0700
+++ b/scripts/plot/draw/stairs.m	Thu Sep 17 11:07:19 2020 -0700
@@ -42,7 +42,7 @@
 ## of the same format as the @code{plot} command.
 ##
 ## Multiple property/value pairs may be specified, but they must appear in
-## pairs. The full list of properties is documented at
+## pairs.  The full list of properties is documented at
 ## @ref{Line Properties}.
 ##
 ## If the first argument @var{hax} is an axes handle, then plot into this axes,