diff options
Diffstat (limited to 'lisp/eshell/esh-var.el')
| -rw-r--r-- | lisp/eshell/esh-var.el | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lisp/eshell/esh-var.el b/lisp/eshell/esh-var.el index 197a8e77cc7..f5110c38475 100644 --- a/lisp/eshell/esh-var.el +++ b/lisp/eshell/esh-var.el @@ -116,7 +116,7 @@ (require 'ring) (defgroup eshell-var nil - "Variable interpolation is introduced whenever the '$' character + "Variable interpolation is introduced whenever the ‘$’ character appears unquoted in any argument (except when that argument is surrounded by single quotes). It may be used to interpolate a variable value, a subcommand, or even the result of a Lisp form." @@ -148,7 +148,7 @@ variable value, a subcommand, or even the result of a Lisp form." (defcustom eshell-variable-name-regexp "[A-Za-z0-9_-]+" "A regexp identifying what constitutes a variable name reference. -Note that this only applies for '$NAME'. If the syntax '$<NAME>' is +Note that this only applies for `$NAME'. If the syntax `$<NAME>' is used, then NAME can contain any character, including angle brackets, if they are quoted with a backslash." :type 'regexp @@ -186,12 +186,12 @@ if they are quoted with a backslash." It is very similar in concept to what `eshell-user-aliases-list' does for commands. Each member of this defines the name of a command, and the Lisp value to return for that variable if it is accessed -via the syntax '$NAME'. +via the syntax `$NAME'. If the value is a function, that function will be called with two arguments: the list of the indices that was used in the reference, and whether the user is requesting the length of the ultimate element. -For example, a reference of '$NAME[10][20]' would result in the +For example, a reference of `$NAME[10][20]' would result in the function for alias `NAME' being called (assuming it were aliased to a function), and the arguments passed to this function would be the list '(10 20)', and nil." @@ -231,7 +231,7 @@ function), and the arguments passed to this function would be the list 'eshell-complete-variable-assignment nil t))) (defun eshell-handle-local-variables () - "Allow for the syntax 'VAR=val <command> <args>'." + "Allow for the syntax `VAR=val <command> <args>'." ;; strip off any null commands, which can only happen if a variable ;; evaluates to nil, such as "$var x", where `var' is nil. The ;; command name in that case becomes `x', for compatibility with |