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@@ -37,6 +37,26 @@ special parameter REGION_HIGHLIGHT.
Colouring of prompts is now supported within the shell by prompt
escapes. The prompt theme system has been updated.
+Various changes have been added to make debugging of shell code easier:
+ - As noted in README, the option DEBUG_BEFORE_CMD is now set by default.
+ - In DEBUG traps, $ZSH_DEBUG_CMD gives the code for which the trap is
+ called as a string.
+ - "setopt ERR_EXIT" in a DEBUG trap causes the code not to be executed.
+ - $ZSH_SUBSHELL indicates the subshell level at which code is being
+ executed.
+ - The zsh/parameter module has various additional arrays similar to
+ the existing $funcstack and $functrace, namely $funcsourcetrace
+ and $funcfiletrace. The consistency and informativeness of
+ the output of all these arrays has been improved.
+ - Prompt escapes %x and %I show the source file and line number in
+ debug prompts (compare %N and %i which show names and line numbers
+ in the execution environment).
+ - The option NO_MULTI_FUNCDEF can turn off multiple definition of
+ functions at once, a rarely used feature that can cause problems
+ with misplaced "()".
+ - The "fc" builtin has been enhanced to make non-interactive use possible
+ and output consistent when the history is manipulated with "print -s".
+
The completion style accept-exact-dirs has been added. When true, this
suppresses attempts to complete non-final directory segments of a filename
path when the directory exists. (For example, /home/pws/src/zsh/<TAB>