diff --git a/developer/bin/develop_brew_cask b/developer/bin/develop_brew_cask
index def869e986..103564a2bd 100755
--- a/developer/bin/develop_brew_cask
+++ b/developer/bin/develop_brew_cask
@@ -3,10 +3,18 @@
 # develop_brew_cask
 #
 
+###
+### settings
+###
+
 set -e               # exit on any uncaught error
 set +o histexpand    # don't expand history expressions
 shopt -s nocasematch # case-insensitive regular expressions
 
+###
+### functions
+###
+
 warn () {
     local message="$@"
     if ! [[ $message =~ "\n"$ ]]; then
@@ -53,6 +61,10 @@ create_dev_links () {
     /bin/ln -s "$git_root/lib"   .
 }
 
+###
+### main
+###
+
 _develop_brew_cask () {
 
     # configurable
@@ -83,6 +95,7 @@ _develop_brew_cask () {
 
 }
 
+# process args
 if [[ $1 =~ ^-+h(elp)?$ ]]; then
     printf "develop_brew_cask
 
@@ -101,6 +114,7 @@ mode is in effect.
     exit
 fi
 
+# dispatch main
 _develop_brew_cask "${@}"
 
 #
diff --git a/developer/bin/get_release_tag b/developer/bin/get_release_tag
index d69c38a07b..d7932f78cc 100755
--- a/developer/bin/get_release_tag
+++ b/developer/bin/get_release_tag
@@ -3,14 +3,26 @@
 # get_release_tag
 #
 
+###
+### settings
+###
+
 set -e               # exit on any uncaught error
 set +o histexpand    # don't expand history expressions
 shopt -s nocasematch # case-insensitive regular expressions
 
+###
+### global variables
+###
+
 opt_next=''
 opt_latest=''
 opt_verbose=''
 
+###
+### functions
+###
+
 warn () {
     local message="$@"
     if ! [[ $message =~ "\n"$ ]]; then
@@ -146,6 +158,10 @@ See RELEASING.md for more information.
     done
 }
 
+###
+### main
+###
+
 _get_release_tag () {
     cd_to_project_root
     local latest_tag="$(git describe --tags --abbrev=0 2>/dev/null)"
@@ -169,6 +185,7 @@ _get_release_tag () {
 
 process_args "${@}"
 
+# dispatch main
 _get_release_tag
 
 #
diff --git a/developer/bin/list_apps_in_pkg b/developer/bin/list_apps_in_pkg
index 4e7e536d6d..4d5ece1f73 100755
--- a/developer/bin/list_apps_in_pkg
+++ b/developer/bin/list_apps_in_pkg
@@ -3,14 +3,26 @@
 # list_apps_in_pkg
 #
 
+###
+### settings
+###
+
 set -e                # exit on any uncaught error
 set +o histexpand     # don't expand history expressions
 shopt -s nocasematch  # case-insensitive regular expressions
 
+###
+### global variables
+###
+
 opt_lax=''
 opt_pkg=''
 tmpdir=''
 
+###
+### functions
+###
+
 warn () {
     local message="$@"
     if ! [[ $message =~ "\n"$ ]]; then
@@ -104,6 +116,10 @@ See CONTRIBUTING.md and 'man pkgutil' for more information.
     fi
 }
 
+###
+### main
+###
+
 _list_apps_in_pkg () {
 
     tmpdir=`/usr/bin/mktemp -d -t list_apps_in_pkg`
@@ -112,7 +128,7 @@ _list_apps_in_pkg () {
     /usr/sbin/pkgutil --expand "$opt_pkg" "$tmpdir/unpack"
 
     {
-      # strings that look like appnames (Something.app)
+      # strings that look like App names (Something.app)
       app_source_1;
       app_source_2;
       app_source_3;
@@ -126,6 +142,7 @@ _list_apps_in_pkg () {
 
 process_args "${@}"
 
+# dispatch main
 _list_apps_in_pkg
 
 #
diff --git a/developer/bin/list_ids_in_pkg b/developer/bin/list_ids_in_pkg
index 292d942658..a7a2fff687 100755
--- a/developer/bin/list_ids_in_pkg
+++ b/developer/bin/list_ids_in_pkg
@@ -3,12 +3,24 @@
 # list_ids_in_pkg
 #
 
+###
+### settings
+###
+
 set -e                # exit on any uncaught error
 set +o histexpand     # don't expand history expressions
 shopt -s nocasematch  # case-insensitive regular expressions
 
+###
+### global variables
+###
+
 tmpdir=''
 
+###
+### functions
+###
+
 bundle_id_source_1 () {
     /usr/bin/find "$tmpdir" -name PackageInfo -print0 |                                \
     /usr/bin/xargs -0 /usr/bin/perl -0777 -ne                                          \
@@ -30,6 +42,10 @@ mark_up_sources () {
       'printf "{}"; /usr/sbin/pkgutil --pkg-info "{}" >/dev/null 2>&1 && printf " (+)"; printf "\n"'
 }
 
+###
+### main
+###
+
 _list_ids_in_pkg () {
 
     tmpdir=`/usr/bin/mktemp -d -t list_ids_in_pkg`
@@ -47,6 +63,7 @@ _list_ids_in_pkg () {
 
 }
 
+# process args
 if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
     printf "list_ids_in_pkg <file.pkg>
 
@@ -76,6 +93,7 @@ See CONTRIBUTING.md and 'man pkgutil' for more information.
     exit
 fi
 
+# dispatch main
 _list_ids_in_pkg "${@}"
 
 #
diff --git a/developer/bin/list_loaded_kext_ids b/developer/bin/list_loaded_kext_ids
index 17e8e44f83..caca550368 100755
--- a/developer/bin/list_loaded_kext_ids
+++ b/developer/bin/list_loaded_kext_ids
@@ -3,10 +3,18 @@
 # list_loaded_kext_ids
 #
 
+###
+### settings
+###
+
 set -e               # exit on any uncaught error
 set +o histexpand    # don't expand history expressions
 shopt -s nocasematch # case-insensitive regular expressions
 
+###
+### main
+###
+
 _list_loaded_kext_ids () {
     /usr/sbin/kextstat -kl |             \
     /usr/bin/cut -c53- |                 \
@@ -14,6 +22,7 @@ _list_loaded_kext_ids () {
     /usr/bin/egrep -v '^com\.apple\.'
 }
 
+# process args
 if [[ $1 =~ ^-+h(elp)?$ ]]; then
     printf "list_loaded_kext_ids
 
@@ -30,6 +39,7 @@ See CONTRIBUTING.md for more information.
     exit
 fi
 
+# dispatch main
 _list_loaded_kext_ids "${@}"
 
 #
diff --git a/developer/bin/list_recent_pkg_ids b/developer/bin/list_recent_pkg_ids
index 281d9b6b48..e2c16af3a3 100755
--- a/developer/bin/list_recent_pkg_ids
+++ b/developer/bin/list_recent_pkg_ids
@@ -3,10 +3,18 @@
 # list_recent_pkg_ids
 #
 
+###
+### settings
+###
+
 set -e               # exit on any uncaught error
 set +o histexpand    # don't expand history expressions
 shopt -s nocasematch # case-insensitive regular expressions
 
+###
+### main
+###
+
 _list_recent_pkg_ids () {
     /bin/ls -t /var/db/receipts |                        \
     /usr/bin/egrep '\.plist$' |                          \
@@ -15,6 +23,7 @@ _list_recent_pkg_ids () {
     /usr/bin/head -10
 }
 
+# process args
 if [[ $1 =~ ^-+h(elp)?$ ]]; then
     printf "list_recent_pkg_ids
 
@@ -31,6 +40,7 @@ See CONTRIBUTING.md for more information.
     exit
 fi
 
+# dispatch main
 _list_recent_pkg_ids "${@}"
 
 #
diff --git a/developer/bin/production_brew_cask b/developer/bin/production_brew_cask
index 1fca9b0f3b..ba762686d7 100755
--- a/developer/bin/production_brew_cask
+++ b/developer/bin/production_brew_cask
@@ -3,10 +3,18 @@
 # production_brew_cask
 #
 
+###
+### settings
+###
+
 set -e               # exit on any uncaught error
 set +o histexpand    # don't expand history expressions
 shopt -s nocasematch # case-insensitive regular expressions
 
+###
+### functions
+###
+
 warn () {
     local message="$@"
     if ! [[ $message =~ "\n"$ ]]; then
@@ -50,6 +58,10 @@ remove_dev_links () {
     /bin/mv production_Casks Casks
 }
 
+###
+### main
+###
+
 _production_brew_cask () {
 
     # configurable
@@ -80,6 +92,7 @@ _production_brew_cask () {
 
 }
 
+# process args
 if [[ $1 =~ ^-+h(elp)?$ ]]; then
     printf "production_brew_cask
 
@@ -93,6 +106,7 @@ After running this command it is safe to run 'brew update'.
     exit
 fi
 
+# dispatch main
 _production_brew_cask "${@}"
 
 #
diff --git a/developer/bin/project_stats b/developer/bin/project_stats
index 0dc9d4f118..6e96ee91c0 100755
--- a/developer/bin/project_stats
+++ b/developer/bin/project_stats
@@ -5,10 +5,18 @@
 # stats on project/release from git database
 #
 
+###
+### settings
+###
+
 set -e               # exit on any uncaught error
 set +o histexpand    # don't expand history expressions
 shopt -s nocasematch # case-insensitive regular expressions
 
+###
+### functions
+###
+
 warn () {
     local message="$@"
     if ! [[ $message =~ "\n"$ ]]; then
@@ -49,6 +57,10 @@ verify_git_object () {
     fi
 }
 
+###
+### main
+###
+
 _homebrew_cask_project_stats () {
 
     local initial_commit="5a0d1d5556e3f963a0d34da46e16ecffa59ea2fc"
@@ -115,6 +127,7 @@ _homebrew_cask_project_stats () {
 
 }
 
+# process args
 if [[ $1 =~ ^-+h(elp)?$ ]]; then
     printf "project_stats [ <commit-object> ]
 
@@ -130,6 +143,7 @@ Without argument, show statistics since first commit.
     exit
 fi
 
+# dispatch main
 _homebrew_cask_project_stats "${@}"
 
 #