AVIMux GUI 1.17.8.3

New:
· The CTextFile class is redone. Text files can now be handled in UTF-16 big and little endian (with BOM only), UTF 8 (with BOM only) and the local charset of your windows installation
· Added highlighting for streams that are default and for streams that AVI-Mux GUI cannot put into AVI files (this visual feature can be disabled)
· When creating XML files, now STL is used
· Matroska tags can be used to create several titles for one matroska stream. Note that this is, as far as I know, not yet supported by players or filters.
· The BitStream class is redone. Reading AAC audio is now faster.
· The widht and height of the settings window is increased if the right-bottom-most button is cropped.
· There is now a setting to enable, disable or leave unchanged the cleartype font setting

Fixed bugs:
· When opening Matroska files containing Vorbis audio streams, the vorbis audio streams' titles were not imported
· A crash occurred when opening a matroska file containing Tags with no target
· The windows size should not be restored correctly and on the correct screen when restarting AVI-Mux GUI
· The delay setting was printed in the wrong place for A_MS/ACM audio tracks in matroska files
· DTS streams with frames of 2012 bytes got a wrong duration because the PCMSampleCount header field was not used. This made the audio go out of sync
· When the size estimation of a Vorbis audio track failed, a crash occurred
· AC3 and DTS: The LFE channel was ignored. This caused incorrect channel information to be written in headers. This did not affect replay on most players, but I got a report that a Nero AVI file parser interpreted this difference between header and real stream data as a broken file.
· AC3: Due to some rounding that (erroneously) occurred when reading AC3 audio files with 44.1 kHz, such streams were muxed incorrectly.
· Nowadays, there is no long double anymore in Visual Studio. Due to this, when trying to write 80 bit floats into matroska file, a 64 bit float was written instead and padded with 2 zero bytes. This is fixed. IMPORTANT: 80 bit floats are no longer allowed in the matroska specification. 80 bit floats can only be selected when matroska v1/v2 enforcement is disabled.
· the file name in the START command in scripts was converted to UTF-8, then it was interpreted as 8859-1 and again converted to UTF-8, which led to disrupted file names
· a crash occurred when dropping an XML chapter file onto an edition in the chapter editor