doc wording, whitespace

diff --git a/err b/err
index f573fbbb894b0abbddeca577bbd3cc13b332e0ae..4e5a1da96efc069f45f568338d3caf5d4649e1aa 100644 (file)
--- a/err
+++ b/err
@@ -14,7 +14,6 @@
 # limitations under the License.
 
 
-
 # Commentary: Bash stack trace and error handling functions. This file
 # is meant to be sourced. It loads some functions which you may want to
 # call manually (see the comments at the start of each one), and then
@@ -24,6 +23,7 @@ err-allow() {
   # help: turn off exit and stack trace on error. undoes err-catch
   set +E +o pipefail; trap ERR
 }
+
 err-bash-trace() {
   # help: print stack trace
   #
@@ -55,10 +55,11 @@ err-bash-trace() {
     echo \'
   done
 }
+
 err-catch() {
-  # help: print stack trace and exit on error.
+  # help: on errors: print stack trace and exit
   #
-  # Set "${_errcatch_cleanup[@]}" to set a command which will run before exiting.
+  # You can set "${_errcatch_cleanup[@]}" to a command and it will run before exiting.
   # This function depends on err-bash-trace.
 
   set -E; shopt -s extdebug
@@ -76,6 +77,7 @@ err-catch() {
   trap _err-trap ERR
   set -o pipefail
 }
+
 err-exit() {
   # usage: err-exit [EXIT_CODE] [MESSAGE]
   # help: exit and print stack trace.
@@ -102,4 +104,5 @@ err-exit() {
   echo "$0: exiting with code $code"
   exit $err
 }
+
 err-catch