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d534981038
Set_Variable, Export, etc.) to new ones (ReadVariableGS, SetGS, ExportGS, etc.) in many places; there are still a few more to change. This change removed the 256-character limit on strings retrieved by these routines, such as the value of environment variables. (PR # 9). At startup do not set $TERM to gnocon if it is already set. Removed the df command (from builtin.asm). Defined macro incad to increment a 4-byte address, checking for overflow; replaced instances of "inc ptr" with "incad ptr". Changed column offset table to use a 1-word rather than 1-byte entry. This resolves PR#14 (hash wouldn't print beyond first 256 filenames). Fixed defect in unalias (alias.asm) where the double quote portion of the scanner would look for a terminating single quote. This resolves PR#69. Changed default order for copying files in $PATH dirs into executable list, so earlier paths files are found first. Added environment variable flag $OLDPATHMODE to make gsh behave in the old (backwards order) way when necessary. Discard duplicate filenames when hashing. Fix PR#73: directory in $PATH with escaped space (\ ) is not searched.