--- lilypond-book	2005/04/02 22:50:31	1.1.1.4
+++ lilypond-book	2005/04/02 22:51:11	1.1.1.5
@@ -113,7 +113,7 @@
 latex_filter_cmd = 'latex "\\nonstopmode \input /dev/stdin"'
 filter_cmd = 0
 process_cmd = ''
-default_ly_options = {}
+default_ly_options = { 'alt': "[image of music]" }
 
 #
 # Is this pythonic?  Personally, I find this rather #define-nesque. --hwn
@@ -148,6 +148,7 @@
 VERBATIM = 'verbatim'
 FONTLOAD = 'fontload'
 FILENAME = 'filename'
+ALT = 'alt'
 
 
 # NOTIME has no opposite so it isn't part of this dictionary.
@@ -386,7 +387,8 @@
 	TEXIDOC,
 	VERBATIM,
 	FONTLOAD,
-	FILENAME
+	FILENAME,
+	ALT
 ]
 
 ly_options = {
@@ -439,7 +441,7 @@
 
 		OUTPUT: r'''
     <img align="center" valign="center"
-	 border="0" src="%(image)s" alt="[image of music]">''',
+	 border="0" src="%(image)s" alt="%(alt)s">''',
 
 		PRINTFILENAME: '<p><tt><a href="%(base)s.ly">%(filename)s</a></tt></p>',
 
@@ -503,13 +505,13 @@
 
 		OUTPUTIMAGE: r'''@noindent
 @ifinfo
address@hidden(base)s,,,[image of music],%(ext)s}
address@hidden(base)s,,,%(alt)s,%(ext)s}
 @end ifinfo
 @html
 <p>
   <a href="%(base)s.ly">
     <img align="center" valign="center"
-	 border="0" src="%(image)s" alt="[image of music]">
+	 border="0" src="%(image)s" alt="%(alt)s">
   </a>
 </p>
 @end html
@@ -952,6 +954,7 @@
 		str += output[HTML][BEFORE] % vars ()
 		for image in self.get_images ():
 			(base, ext) = os.path.splitext (image)
+			alt = self.option_dict[ALT]
 			str += output[HTML][OUTPUT] % vars ()
 		str += output[HTML][AFTER] % vars ()
 		return str
@@ -964,6 +967,7 @@
 			# URG, makeinfo implicitly prepends dot to extension.
 			# Specifying no extension is most robust.
 			ext = ''
+			alt = self.option_dict[ALT]
 			str += output[TEXINFO][OUTPUTIMAGE] % vars ()
 
 		base = self.basename ()