Merge pull request #635 from MicrosoftDocs/doug-july23-update

Added July updates to Power Query M reference

Author: DougKlopfenstein

query-languages/m/combiner-combinetextbydelimiter.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: Combiner.CombineTextByDelimiter"
 title: "Combiner.CombineTextByDelimiter"
-ms.date: 10/7/2022
+ms.date: 6/15/2023
 ---
 # Combiner.CombineTextByDelimiter
 
@@ -13,7 +13,7 @@ Combiner.CombineTextByDelimiter(<b>delimiter</b> as text, optional <b>quoteStyle
 
 ## About
 
-Returns a function that combines a list of text into a single text using the specified delimiter.
+Returns a function that combines a list of text values into a single text value using the specified delimiter.
 
 ## Example 1
 
@@ -28,3 +28,34 @@ Combiner.CombineTextByDelimiter(";")({"a", "b", "c"})
 **Output**
 
 `"a;b;c"`
+
+## Example 2
+
+Combine the text of two columns using a comma delimiter and CSV-style quoting.
+
+**Usage**
+
+```powerquery-m
+let
+    Source = #table(
+        type table [Column1 = text, Column2 = text],
+        {{"a", "b"}, {"c", "d,e,f"}}
+    ),
+    Merged = Table.CombineColumns(
+        Source,
+        {"Column1", "Column2"},
+        Combiner.CombineTextByDelimiter(",", QuoteStyle.Csv),
+        "Merged"
+    )
+in
+    Merged
+```
+
+**Output**
+
+```powerquery-m
+#table(
+    type table [Merged = text],
+    {{"a,b"}, {"c,""d,e,f"""}}
+)
+```

query-languages/m/combiner-functions.md

@@ -1,15 +1,15 @@
 ---
 description: "Learn more about: Combiner functions"
 title: "Combiner functions"
-ms.date: 5/16/2022
+ms.date: 6/15/2023
 ---
 # Combiner functions
 
 These functions are used by other library functions that merge values. For example, `Table.ToList` and `Table.CombineColumns` apply a combiner function to each row in a table to produce a single value for each row.
 
 |Name|Description|
 |------------|---------------|
-|[Combiner.CombineTextByDelimiter](combiner-combinetextbydelimiter.md)|Returns a function that combines a list of text into a single text using the specified delimiter.|
+|[Combiner.CombineTextByDelimiter](combiner-combinetextbydelimiter.md)|Returns a function that combines a list of text values into a single text value using the specified delimiter.|
 |[Combiner.CombineTextByEachDelimiter](combiner-combinetextbyeachdelimiter.md)|Returns a function that combines a list of text into a single text using each specified delimiter in sequence.|
 |[Combiner.CombineTextByLengths](combiner-combinetextbylengths.md)|Returns a function that combines a list of text into a single text using the specified lengths.|
 |[Combiner.CombineTextByPositions](combiner-combinetextbypositions.md)|Returns a function that combines a list of text into a single text using the specified positions.|

query-languages/m/csv-document.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: Csv.Document"
 title: "Csv.Document"
-ms.date: 9/15/2022
+ms.date: 6/15/2023
 ---
 # Csv.Document
 
@@ -25,8 +25,12 @@ If a record is specified for `columns` (and `delimiter`, `extraValues`, and `enc
 * `Delimiter`: The column delimiter. Default: `","`.
 * `Columns`: Can be null, the number of columns, a list of column names, or a table type. If the number of columns is lower than the number found in the input, the additional columns will be ignored. If the number of columns is higher than the number found in the input, the additional columns will be null. When not specified, the number of columns will be determined by what is found in the input.
 * `Encoding`: The text encoding of the file. Default: 65001 (UTF-8).
-* `CsvStyle`: Specifies how quotes are handled. [CsvStyle.QuoteAfterDelimiter](csvstyle-type.md) (default): Quotes in a field are only significant immediately following the delimiter. [CsvStyle.QuoteAlways](csvstyle-type.md): Quotes in a field are always significant, regardless of where they appear.
-* `QuoteStyle`: Specifies how quoted line breaks are handled. [QuoteStyle.None](quotestyle-type.md) (default): All line breaks are treated as the end of the current row, even when they occur inside a quoted value. [QuoteStyle.Csv](quotestyle-type.md): Quoted line breaks are treated as part of the data, not as the end of the current row.
+* `CsvStyle`: Specifies how quotes are handled.
+  * [CsvStyle.QuoteAfterDelimiter](csvstyle-type.md) (default): Quotes in a field are only significant immediately following the delimiter.
+  * [CsvStyle.QuoteAlways](csvstyle-type.md): Quotes in a field are always significant, regardless of where they appear.
+* `QuoteStyle`: Specifies how quoted line breaks are handled.
+  * [QuoteStyle.Csv](quotestyle-type.md) (default): Quoted line breaks are treated as part of the data, not as the end of the current row.
+  * [QuoteStyle.None](quotestyle-type.md): All line breaks are treated as the end of the current row, even when they occur inside a quoted value.
 
 ## Example 1
 

query-languages/m/itemexpression-from.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: ItemExpression.From"
 title: "ItemExpression.From"
-ms.date: 10/7/2022
+ms.date: 6/15/2023
 ---
 # ItemExpression.From
 
@@ -15,16 +15,15 @@ ItemExpression.From(<b>function</b> as function) as record
 
 Returns the abstract syntax tree (AST) for the body of `function`, normalized into an *item expression*:
 
-- The function must be a 1-argument lambda.
-- All references to the function parameter are replaced with [ItemExpression.Item](itemexpression-item.md).
-- The AST will be simplified to contain only nodes of the kinds:
-  - `Constant`
-  - `Invocation`
-  - `Unary`
-  - `Binary`
-  - `If`
-  - `FieldAccess`
-  - `NotImplemented`
+* The function must be a 1-argument lambda.
+* All references to the function parameter are replaced with [ItemExpression.Item](itemexpression-item.md).
+* The AST will be simplified to contain only nodes of the kinds:
+  * `Constant`
+  * `Invocation`
+  * `Unary`
+  * `Binary`
+  * `If`
+  * `FieldAccess`
 
 An error is raised if an item expression AST cannot be returned for the body of `function`.
 

query-languages/m/rowexpression-from.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: RowExpression.From"
 title: "RowExpression.From"
-ms.date: 3/16/2022
+ms.date: 6/15/2023
 ---
 # RowExpression.From
 
@@ -25,7 +25,6 @@ Returns the abstract syntax tree (AST) for the body of `function`, normalized in
   * `Binary`
   * `If`
   * `FieldAccess`
-  * `NotImplemented`
 
 An error is raised if a row expression AST cannot be returned for the body of `function`.
 

query-languages/m/table-removecolumns.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: Table.RemoveColumns"
 title: "Table.RemoveColumns"
-ms.date: 5/17/2022
+ms.date: 6/15/2023
 ---
 # Table.RemoveColumns
 
@@ -13,7 +13,7 @@ Table.RemoveColumns(<b>table</b> as table, <b>columns</b> as any, optional <b>mi
 
 ## About
 
-Removes the specified `columns` from the `table` provided. If a specified column doesn't exist, an error is raised unless the optional parameter `missingField` specifies an alternative behavior (for example, `MissingField.UseNull` or `MissingField.Ignore`).
+Removes the specified `columns` from the `table` provided. If the specified column doesn't exist, an error is raised unless the optional parameter `missingField` specifies an alternative behavior (for example, `MissingField.UseNull` or `MissingField.Ignore`).
 
 ## Example 1
 

query-languages/m/text-combine.md

@@ -1,7 +1,7 @@
 ---
 description: "Learn more about: Text.Combine"
 title: "Text.Combine"
-ms.date: 5/11/2023
+ms.date: 6/15/2023
 ---
 # Text.Combine
 
@@ -13,9 +13,7 @@ Text.Combine(<b>texts</b> as list, optional <b>separator</b> as nullable text) a
 
 ## About
 
-Returns the result of combining the list of text values, `texts`, into a single text value. Any `null` values present in `texts` are ignored.
-
-An optional `separator` used in the final combined text may be specified.
+Returns the result of combining the list of text values, `texts`, into a single text value. Any `null` values present in `texts` are ignored. An optional `separator` used in the final combined text can be specified.
 
 ## Example 1