* org-export-generic.el (org-export-generic-preprocess): Use `delete-backward-char' instead of `backward-delete-char'. (org-generic-alist, def-org-export-generic-keyword) (org-export-generic-remember-section, org-export-generic) (org-export-generic-format, org-export-generic-header) (org-generic-level-start): Remove dangling parentheses, fix indentation.