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-rw-r--r--runtime/doc/options.txt22
1 files changed, 16 insertions, 6 deletions
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 270232179a..386fcdf8c0 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -843,6 +843,14 @@ A jump table for the options with a short description can be found at |Q_op|.
name, precede it with a backslash.
- To include a comma in a directory name precede it with a backslash.
- A directory name may end in an '/'.
+ - For Unix and Win32, if a directory ends in two path separators "//",
+ the swap file name will be built from the complete path to the file
+ with all path separators changed to percent '%' signs. This will
+ ensure file name uniqueness in the backup directory.
+ On Win32, it is also possible to end with "\\". However, When a
+ separating comma is following, you must use "//", since "\\" will
+ include the comma in the file name. Therefore it is recommended to
+ use '//', instead of '\\'.
- Environment variables are expanded |:set_env|.
- Careful with '\' characters, type one before a space, type two to
get one in the option (see |option-backslash|), for example: >
@@ -1992,12 +2000,14 @@ A jump table for the options with a short description can be found at |Q_op|.
- A directory starting with "./" (or ".\" for Windows) means to
put the swap file relative to where the edited file is. The leading
"." is replaced with the path name of the edited file.
- - For Unix and Win32, if a directory ends in two path separators "//"
- or "\\", the swap file name will be built from the complete path to
- the file with all path separators substituted to percent '%' signs.
- This will ensure file name uniqueness in the preserve directory.
- On Win32, when a separating comma is following, you must use "//",
- since "\\" will include the comma in the file name.
+ - For Unix and Win32, if a directory ends in two path separators "//",
+ the swap file name will be built from the complete path to the file
+ with all path separators substituted to percent '%' signs. This will
+ ensure file name uniqueness in the preserve directory.
+ On Win32, it is also possible to end with "\\". However, When a
+ separating comma is following, you must use "//", since "\\" will
+ include the comma in the file name. Therefore it is recommended to
+ use '//', instead of '\\'.
- Spaces after the comma are ignored, other spaces are considered part
of the directory name. To have a space at the start of a directory
name, precede it with a backslash.