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Diffstat (limited to 'README')
| -rw-r--r-- | README | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/README b/README index 5375eb3a5..20627a9ca 100644 --- a/README +++ b/README @@ -56,6 +56,12 @@ behaviour.) Now it is treated identically to "$@". The same change applies to expressions with forced splitting such as ${=1+"$@"}, but otherwise the case where SH_WORD_SPLIT is not set is unaffected. +Debug traps (`trap ... DEBUG' or the function TRAPDEBUG) now run by default +before the command to which they refer instead of after. This is almost +always the right behaviour for the intended purpose of debugging and is +consistent with recent versions of other shells. The option +DEBUG_BEFORE_CMD can be unset to revert to the previous behaviour. + In previous versions of the shell it was possible to use index 0 in an array or string subscript to refer to the same element as index 1 if the option KSH_ARRAYS was not in effect. This was a limited approximation to |