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-[comment {-*- tcl -*- doctools}]
-[vset FORMATNAME gif]
-[vset FORMATFULLNAME {Graphics Interchange Format}]
-
-[include format-header.inc]
-
-This handler provides new additional configuration options. See
-section [sectref {GIF OPTIONS}] for more detailed explanations.
-
-
-[include format-middle.inc]
-
-
-In addition the value for the option is treated as list and may
-contain any of the special options listed in section
-
-[sectref {GIF OPTIONS}].
-
-[list_end]
-
-
-
-[section {GIF OPTIONS}]
-
-The handler provides two options, one for reading from a GIF image,
-the other influencing the writing of such.
-
-[list_begin definitions]
-
-[lst_item "[option -index] [arg n]"]
-
-This option is for reading from GIF files containing more than one
-image ([term {animated GIF's}], [term {GIF movies}]. When specified it
-will read the [arg n]'th image in the data. The first image is at
-index [const 0] and will be read by default, i.e. when the option is
-not specified.
-
-[lst_item "[option -interlaced] [arg bool]"]
-
-If the value of this option is set to true the image will be written
-using the interlaced sub-format of GIF. The default is to write
-non-interlaced files. [emph {This option is not implemented yet.}]
-
-[list_end]
-
-[section {IMAGE COMPRESSION}]
-
-Instead of LZW the run-length encoding of Hutchison Avenue Software
-Corporation is used, also known as [term miGIF] compression. The miGIF
-compression routines do not, strictly speaking, generate files
-conforming to the GIF spec, since the image data is not LZW-compressed
-(this is the point: in order to avoid transgression of the Unisys
-patent on the LZW algorithm.) However, miGIF generates data streams
-that any reasonably sane LZW decompresser will decompress to what we
-want.
-
-[section TRANSPARENCY]
-
-If you want to write images to disk which contain transparency
-information (e.g. GIF89) you need at least [package Tk] 8.3.
-
-
-
-[list_begin definitions]
-[include format-footer.inc]