save keyword, move sections into param descriptions & cross reference

Author: sshanks-kx

docs/ref/doth.md

@@ -94,7 +94,7 @@ q).h.cd (`a`b`c;1 2 3;"xyz")
 Columns can be nested vectors, in which case [`.h.d`](#hd-delimiter) is used to separate subitems. (Since V4.0 2020.03.17.)
 
 :fontawesome-regular-hand-point-right:
-[0: load csv](file-text.md#load-csv)
+[0: load csv](file-text.md#load-csv), [save](save.md#save) (save and format data)
 
 
 ## `.h.code` (code after Tab)
@@ -161,6 +161,8 @@ q).h.ed ([]a:1 2 3;b:`x`y`z)
 "<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\" xmlns:o=\"u..
 ```
 
+:fontawesome-regular-hand-point-right:
+[save](save.md#save) (save and format data)
 
 ## `.h.edsn` (Excel from tables)
 
@@ -203,7 +205,8 @@ q)`:/Users/sjt/tmp/excel.xls 0: .h.edsn `test1`test2!(t1;t2)
 
 ![excel.xls](../img/h.edsn.png "Excel spreadsheet")
 
-
+:fontawesome-regular-hand-point-right:
+[save](save.md#save) (save and format data)
 
 ## `.h.fram` (frame)
 
@@ -819,6 +822,9 @@ q).h.xd ([]a:1 2 3;b:`x`y`z)
 "</R>"
 ```
 
+:fontawesome-regular-hand-point-right:
+[save](save.md#save) (save and format data)
+
 
 ## `.h.xmp` (XMP)
 
@@ -865,4 +871,4 @@ foo| "bar"
 ```
 
 :fontawesome-regular-hand-point-right:
-[`.j` namespace](dotj.md) (JSON de/serialization)
+[`.j` namespace](dotj.md) (JSON de/serialization), [save](save.md#save) (save and format data)

docs/ref/save.md

@@ -11,7 +11,7 @@ _Write global data to file or splayed to a directory_
 
 ## `save`
 
-_Write a global variable to file_
+_Write a global variable to file and optionally format data_
 
 ```syntax
 save x     save[x]
@@ -20,35 +20,24 @@ save x     save[x]
 Where `x` is a symbol atom or vector of the form `[path/to/]v[.ext]` in which 
 
 -   `v` is the name of a global variable
--   `path/to/` is a file path (optional)
--   `.ext` is a file extension (optional)
+-   `path/to/` is a file path (optional). If a file
+    - exists, it is overwritten
+    - does not exist, it is created, with any required parent directories
+-   `.ext` is a file extension (optional) which effects the file content format. Options are:
+    - `(none)` for binary format
+    - `csv` for comma-separated values
+    - `txt` for plain text)
+    - `xls` for Excel spreadsheet format
+    - `xml` for Extensible Markup Language (XML))
+    - `json` for JavaScript Object Notation (JSON) Since v3.2 2014.07.31.
 
-writes global variable/s `v` etc. to file and returns the filename/s.
-
-
-### File path
-
-If a file 
-
--   exists, it is overwritten
--   does not exist, it is created, with any required parent directories
 
-
-### Format 
-
-The format used depends on the file extension:
-
-```txt
-(none)   binary
- csv     comma-separated values
- txt     plain text
- xls     Excel spreadsheet
- xml     Extensible Markup Language (XML)
- json    JavaScript Object Notation (JSON), available since v3.2 2014.07.31
-```
+writes global variable/s `v` etc. to file and returns the filename/s.
 
 !!! tip "There are no corresponding formats for [`load`](load.md). Instead, use [File Text](file-text.md)."
 
+:fontawesome-regular-hand-point-right:
+[.h](doth.md) (data serialization tools)
 
 ### Examples
 
@@ -131,9 +120,6 @@ rsave x     rsave[x]
 Where `x` is a table name as a symbol atom, saves the table, in binary format, splayed to a directory of the same name.
 The table must be fully enumerated and not keyed.
 
-
-### File path
-
 If the file 
 
 -   exists, it is overwritten