Debug on Error enabled globally
Enriched: decoding document...
Indenting...

Saving file /home/jorge/tmp/emacs_enriched_bug/enriched_bug_edited.txt...
Enriched: encoding document...

Wrote /home/jorge/tmp/emacs_enriched_bug/enriched_bug_edited.txt
Saving file /home/jorge/tmp/emacs_enriched_bug/enriched_bug_edited.txt...
Enriched: encoding document...
Debugger entered--Lisp error: (wrong-type-argument symbolp "bold")
  internal-get-lisp-face-attribute("bold" :foreground nil)
  face-attribute("bold" :foreground)
  enriched-face-ans("bold")
  enriched-encode-other-face(nil "bold")
  format-annotate-atomic-property-change(((bold-italic "bold" "italic") (bold "bold") (italic "italic") (underline "underline") (fixed "fixed") (excerpt "excerpt") (default) (nil enriched-encode-other-face)) nil "bold")
  format-annotate-single-property-change(face nil "bold" ((face (bold-italic "bold" "italic") (bold "bold") (italic "italic") (underline "underline") (fixed "fixed") (excerpt "excerpt") (default) (nil enriched-encode-other-face)) (left-margin (4 "indent")) (right-margin (4 "indentright")) (justification (none "nofill") (right "flushright") (left "flushleft") (full "flushboth") (center "center")) (PARAMETER (t "param")) (FUNCTION (enriched-decode-foreground "x-color") (enriched-decode-background "x-bg-color") (enriched-decode-display-prop "x-display")) (read-only (t "x-read-only")) (display (nil enriched-handle-display-prop)) (unknown (nil format-annotate-value))))
  format-annotate-location(1 t (front-sticky rear-nonsticky hard) ((face (bold-italic "bold" "italic") (bold "bold") (italic "italic") (underline "underline") (fixed "fixed") (excerpt "excerpt") (default) (nil enriched-encode-other-face)) (left-margin (4 "indent")) (right-margin (4 "indentright")) (justification (none "nofill") (right "flushright") (left "flushleft") (full "flushboth") (center "center")) (PARAMETER (t "param")) (FUNCTION (enriched-decode-foreground "x-color") (enriched-decode-background "x-bg-color") (enriched-decode-display-prop "x-display")) (read-only (t "x-read-only")) (display (nil enriched-handle-display-prop)) (unknown (nil format-annotate-value))))
  format-annotate-region(1 3 ((face (bold-italic "bold" "italic") (bold "bold") (italic "italic") (underline "underline") (fixed "fixed") (excerpt "excerpt") (default) (nil enriched-encode-other-face)) (left-margin (4 "indent")) (right-margin (4 "indentright")) (justification (none "nofill") (right "flushright") (left "flushleft") (full "flushboth") (center "center")) (PARAMETER (t "param")) (FUNCTION (enriched-decode-foreground "x-color") (enriched-decode-background "x-bg-color") (enriched-decode-display-prop "x-display")) (read-only (t "x-read-only")) (display (nil enriched-handle-display-prop)) (unknown (nil format-annotate-value))) enriched-make-annotation (front-sticky rear-nonsticky hard))
  enriched-encode(1 3 #<buffer enriched_bug_edited.txt>)
  format-encode-run-method(enriched-encode 1 3 #<buffer enriched_bug_edited.txt>)
  format-annotate-function(text/enriched nil nil #<buffer enriched_bug_edited.txt> 0)
  write-region(nil nil "/home/jorge/tmp/emacs_enriched_bug/enriched_bug_edited.txt" nil t "~/tmp/emacs_enriched_bug/enriched_bug_edited.txt")
  basic-save-buffer-2()
  basic-save-buffer-1()
  basic-save-buffer()
  save-buffer(0)
  eval-buffer(#<buffer  *load*> nil "/home/jorge/tmp/emacs_enriched_bug/bug_script.el" nil t)  ; Reading at buffer position 170
  load-with-code-conversion("/home/jorge/tmp/emacs_enriched_bug/bug_script.el" "/home/jorge/tmp/emacs_enriched_bug/bug_script.el" nil t)
  load("/home/jorge/tmp/emacs_enriched_bug/bug_script.el" nil t t)
  command-line-1(("-scriptload" "bug_script.el"))
  command-line()
  normal-top-level()

Enriched: encoding document...
Auto-saving  *Format Temp 0*: Wrong type argument: symbolp, "bold"
Auto-saving  *Format Temp 0*: Wrong type argument: symbolp, "bold"
Auto-saving  *Format Temp 0*: Wrong type argument: symbolp, "bold"

"GNU Emacs 24.4.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.12.2)
 of 2015-01-15 on jorge-Notebook-HP-G42"