Fix relative URL rewriting bug (Issue michaelrsweet#507)

Author: michaelrsweet

CHANGES.md

@@ -6,7 +6,8 @@
 - Updated PostScript and PDF date/time information to use UTC (Issue #490)
 - Fixed multiple conversions of UTF-8 HTML files from the GUI (Issue #496)
 - Fixed a compile bug on Solaris (Issue #498)
-- Fixed a markdown parsing issue (Issue #503)
+- Fixed a markdown parsing bug (Issue #503)
+- Fixed a relative URL handling bug (Issue #507)
 - Fixed a crash bug with bad title images (Issue #510)
 - Fixed some minor CodeQL warnings.
 

htmldoc/htmllib.cxx

@@ -3460,7 +3460,7 @@ fix_filename(char *filename,	/* I - Original filename */
  static charnewfilename[1024];/* New filename */
 
 
-// printf("fix_filename(filename=\"%s\", base=\"%s\")\n", filename, base);
+ printf("fix_filename(filename=\"%s\", base=\"%s\")\n", filename, base);
 
  if (filename == NULL)
  return (NULL);
@@ -3529,10 +3529,6 @@ fix_filename(char *filename,	/* I - Original filename */
  }
  else
  {
- // Relative path, strip the last component from the resource...
- if ((slash = strrchr(resource, '/')) != NULL)
-*slash = '\0';
-
  // Handle "../" in filename...
  while (!strncmp(filename, "../", 3))
  {