idx2txt converts an idxtools index file into plain text.
The index is read from standard input and the converted index is output to standard output.
Usually idx2txt output accented characters using the ISO 8859-1 (latin 1) character set. This option causes accented characters to be output as ASCII letters without their accents.
Don't output the formatting codes (* ... * and _ ... _).
Output brief help information.
Display version information.