edit: fix a bug that "command-help" does not work

README.md

@@ -22,7 +22,7 @@ in some part of initialization and cleanup code,
 processing of large data in completions, paste of large data, etc.
 
 Pronunciation: The easiest pronunciation of `ble.sh` that users use is /blɛʃ/, but you can actually pronounce it as you like.
-I do not specify no canonical way of pronoucing `ble.sh`.
+I do not specify the canonical way of pronoucing `ble.sh`.
 In fact, I personally read it verbosely as /biːɛliː dɑt ɛseɪtʃ/ in my head.
 
 ## Quick instructions

memo/ChangeLog.md

@@ -122,6 +122,7 @@
 - syntax: fix a bug that `eval() { :; }`, `declare() { :; }` are not treated as function definition `#D1529` b429095
 - decode: fix a hang on attach failure by cache corruption `#D1531` 24ea379
 - edit, etc: add workarounds for `localvar_inherit` `#D1532` 7b63c60
+  - edit: fix a bug that `command-help` doesn't work `#D1635` 0000000
 - progcomp: fix non-working `complete -C prog` (reported by Archehandoro) `#D1535` 026432d
 - bind: fix a problem that `bind '"seq":"key"'` causes a loop macro `bind -s key key` (reported by thanosz) `#D1536` ea05fc5
   - bind: fix errors on readline macros (reported by RakibFiha) `#D1537` c257299
@@ -184,7 +185,7 @@
 - util (`modifyOtherKeys`): update the workaround for a new quiark of kitty `#D1627` 3e4ecf5
 - main: work around `set -B` and `set -k` `#D1628` a860769
 - term: disable `modifyOtherKeys` and do not send `DA2` for `st` (requested by Shahabaz-Bagwan) `#D1632` 92c7b26
-- cmap: add `st`-specific escape sequences for cursor keys `#D1633` 0000000
+- cmap: add `st`-specific escape sequences for cursor keys `#D1633` acfb879
 
 ## Internal changes and fixes
 

note.txt

@@ -4916,6 +4916,18 @@ bash_tips
 
 2021-08-30
 
+  * edit: command-help が効かなくなっている [#D1635]
+
+    どうやら以下の commit で external-command を書き換えた時に、内部で使用して
+    いる変数名 command と command-help で使用している変数名が被ってしまって問題
+    が起こっている様だ。
+
+    7b63c60d src/edit.sh (Koichi Murase     2021-05-06 16:04:39 +0900 8755)   local command=$1
+
+    一旦は command-help の側でコマンド名を他の変数に待避する様に書き換えてみた
+    が、うーん。そもそも external-command は呼び出し元の変数名に影響が無い様に
+    特別な変数名を使うべきである。
+
   * README: やはり ble.sh の読み方を与えるべきかもしれない [#D1634]
     https://www.youtube.com/watch?v=YS1vxEhd2Pc
 

src/edit.sh

@@ -8749,8 +8749,8 @@ function ble/widget/internal-command {
 }
 function ble/widget/external-command {
   ble-edit/content/clear-arg
-  local command=$1
-  [[ ${command//[$_ble_term_IFS]} ]] || return 1
+  local _ble_local_command=$1
+  [[ ${_ble_local_command//[$_ble_term_IFS]} ]] || return 1
 
   ble/edit/enter-command-layout
   ble/textarea#invalidate
@@ -8760,7 +8760,7 @@ function ble/widget/external-command {
   ble/canvas/bflush.draw
   ble/term/leave
   ble/util/buffer.flush >&2
-  BASH_COMMAND=$command builtin eval -- "$command"; local ext=$?
+  BASH_COMMAND=$_ble_local_command builtin eval -- "$_ble_local_command"; local ext=$?
   ble/term/enter
   return "$ext"
 }