refactor(_get_pword): move _get_pword into bash_completion_compat

Author: akinomyoga

bash_completion

@@ -586,20 +586,6 @@ _comp_get_comp_words_by_ref()
     ((${#upvars[@]})) && local "${upvars[@]}" && _comp_upvars "${upargs[@]}"
 }
 
-# Get word previous to the current word.
-# This is a good alternative to `prev=${COMP_WORDS[COMP_CWORD-1]}' because bash4
-# will properly return the previous word with respect to any given exclusions to
-# COMP_WORDBREAKS.
-# @deprecated  Use `_comp_get_comp_words_by_ref cur prev' instead
-# @see _comp_get_comp_words_by_ref()
-#
-_get_pword()
-{
-    if ((COMP_CWORD >= 1)); then
-        _get_cword "${@-}" 1
-    fi
-}
-
 # If the word-to-complete contains a colon (:), left-trim COMPREPLY items with
 # word-to-complete.
 # With a colon in COMP_WORDBREAKS, words containing

bash_completion.d/000_bash_completion_compat

@@ -130,6 +130,20 @@ _get_cword()
     fi
 } # _get_cword()
 
+# Get word previous to the current word.
+# This is a good alternative to `prev=${COMP_WORDS[COMP_CWORD-1]}' because bash4
+# will properly return the previous word with respect to any given exclusions to
+# COMP_WORDBREAKS.
+# @deprecated  Use `_comp_get_comp_words_by_ref cur prev' instead
+# @see _comp_get_comp_words_by_ref()
+#
+_get_pword()
+{
+    if ((COMP_CWORD >= 1)); then
+        _get_cword "${@-}" 1
+    fi
+}
+
 # @deprecated Use the variable `_comp_backup_glob` instead.  This is the
 # backward-compatibility name.
 # shellcheck disable=SC2154  # defined in the main "bash_completion"