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Diffstat (limited to 'README')
| -rw-r--r-- | README | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/README b/README index b64000c26..3a8597033 100644 --- a/README +++ b/README @@ -69,6 +69,17 @@ 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. +Previously, process substitutions of the form =(...), <(...) and >(...) +were only handled if they appeared as separate command arguments. +(However, the latter two forms caused the current argument to be +terminated and a new one started even if they occurred in the middle of +a string.) Now all three may be followed by other strings, and the +latter two may also be preceeded by other strings. None may occur inside +parameter substitutions, or inside parentheses used for grouping of +patterns, in order to avoid clashes with cases where +tt(<) or tt(>) where not treated specially in previous versions of the +shell. + 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 |