diff options
Diffstat (limited to 'tex/context/base/mkiv/grph-img.lua')
| -rw-r--r-- | tex/context/base/mkiv/grph-img.lua | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tex/context/base/mkiv/grph-img.lua b/tex/context/base/mkiv/grph-img.lua index 49b082c58..0dc5efa70 100644 --- a/tex/context/base/mkiv/grph-img.lua +++ b/tex/context/base/mkiv/grph-img.lua @@ -97,6 +97,13 @@ do [0x01] = { name = "TEM", zerolength = true }, -- temporary use } + setmetatableindex(tags, function(t,k) + -- we can add some tracing if needed (global) to get an idea + local v = "tag " .. k + t[k] = v + return v + end) + -- More can be found in http://www.exif.org/Exif2-2.PDF but basically we have -- good old tiff tags here. @@ -254,7 +261,7 @@ do local length = 0 local tagdata = tags[category] if not tagdata then - specification.error = "invalid tag" + specification.error = "invalid tag " .. (category or "?") break elseif tagdata.supported == false then specification.error = "unsupported " .. tagdata.comment |