48864: Improve extra-verbose completion display strings for array parameter values

1 files changed, 9 insertions, 5 deletions

diff --git a/Completion/Zsh/Type/_parameters b/Completion/Zsh/Type/_parameters
index 00c181e11..b5da45c58 100644
--- a/Completion/Zsh/Type/_parameters
+++ b/Completion/Zsh/Type/_parameters
@@ -11,9 +11,9 @@ if compset -P '*:'; then
   return
 fi
 
-local MATCH i pfilt
-local -i MBEGIN MEND nm=$compstate[nmatches]
-local -a expl pattern=(-g \*) normal described verbose faked fakes tmp
+local i pfilt
+local -i nm=$compstate[nmatches]
+local -a expl pattern=( -g \* ) normal described verbose faked fakes tmp
 
 zstyle -t ":completion:${curcontext}:parameters" prefix-needed &&
     [[ $PREFIX != [_.]* ]] &&
@@ -27,8 +27,13 @@ if zstyle -t ":completion:${curcontext}:parameters" extra-verbose; then
   )
   compadd "$@" "$expl[@]" -D described -a - described
   if (( $#described )); then
+    # Normally, calling typeset without flags would print the values of its
+    # arguments. However, inside a function, it instead declare its arguments
+    # as local variables and outputs nothing. Thus, to force it print out
+    # parameter values, we pass it the -m flag.
     verbose=(
-        ${described[@]:/(#m)*/"${MATCH}:${(@q+)${(Pkv@q+)MATCH}//\\/\\\\}"} )
+        ${${${(f@)"$( typeset -m ${(@b)described} )"}/=/:}[@]//'\'/'\\'}
+    )
     _describe -t parameters parameter verbose "$@" "$expl[@]"
   fi
 
@@ -52,4 +57,3 @@ compadd "$@" "$expl[@]" - "$normal[@]" "${(@)fakes:|described}" \
     "${(@)${(@)${(@M)faked:#${~pattern[2]}}%%:*}:|described}"
 
 (( compstate[nmatches] > nm ))
-return 0