Add -- alias. Let help work on Debian/Ubuntu derivates; alias help al…

…ways.

README.md

@@ -1,6 +1,6 @@
 # zshrc-mv
 
-(C) Martin Väth (mvath at google.com)
+(C) Martin Väth (martin at mvath.de)
 
 This project is under the Creative Commons CC-BY-4.0 license.
 SPDX-License-Identifier: CC-BY-4.0
@@ -27,9 +27,9 @@ in the mv overlay (available via layman).
 
 Concerning the colors which `zshrc` sets, only the following cases are tested
 (and probably things will look ugly in other cases):
-1. You use a terminal with a black background (and the 256 colors are mainly
-   tested with xterm - with other terminals e.g. the highlighted colors
-   may look differently and maybe bad).
+1. A terminal with a black background (and the 256 colors are mainly tested
+   with xterm - with other terminals e.g. the highlighted colors may look
+   differently and maybe bad).
    My testing xresources for xterm contain:
    ```
 	XTerm*cursorColor: green
@@ -155,8 +155,8 @@ they exist:
 
 	or (as a gentoo user) install from the mv overlay.
 
-    If zsh-autosuggestions and auto-fu.zsh are both installed, only the former
-    is used by default. If you want to use the latter instead, set
+	If zsh-autosuggestions and auto-fu.zsh are both installed, only the former
+	is used by default. If you want to use the latter instead, set
 	`ZSHRC_PREFER_AUTO_FU` to a nonempty value. If you want to use both, set
 	instead `ZSHRC_USE_AUTO_FU` to a nonempty value.
 	To skip both, set `ZSH_SKIP_AUTO` to a nonempty value.

zshrc

@@ -32,6 +32,11 @@ alias -g 'NUL'='>/dev/null'
 alias -g 'NULL'='NUL'
 alias -g 'NIL'='>&/dev/null'
 
+# Let -- tacitly "reload" the current directory after filesystem changes.
+# Note that the necessary option -q is not available in bash.
+
+alias -- --='cd -q -- $PWD'
+
 # Make noglob not work like "command" but expand aliases:
 
 alias 'noglob'='noglob '
@@ -217,18 +222,17 @@ zshrc_whence && {
 
 for HELPDIR in \
 	${DEFAULTS:+${^DEFAULTS%/}/zsh{-,/}help} \
+	${EPREFIX:+${^EPREFIX%/}/usr/share/zsh/help} \
 	${EPREFIX:+${^EPREFIX%/}/usr/share/zsh/$ZSH_VERSION/help} \
 	${EPREFIX:+${^EPREFIX%/}/usr/share/zsh/site-{contrib,functions}/help} \
-	/usr/share/zsh/$ZSH_VERSION/help \
+	/usr/share/zsh/{,$ZSH_VERSION/}help \
 	/usr/share/zsh/site-{contrib,functions}/help
-do	[[ -d $HELPDIR ]] && {
-		alias run-help NUL && unalias run-help
-		autoload -Uz run-help
-		alias help=run-help
-		[[ -n ${HELPDIR:++} ]] || unset HELPDIR
-		break
-	}
+do	[[ -d $HELPDIR ]] && break
 done
+alias run-help NUL && unalias run-help
+autoload -Uz run-help
+alias help=run-help
+[[ -n ${HELPDIR:++} ]] || unset HELPDIR
 
 
 # Define LS_COLORS if not already done in $interactive