some header fixing

docs/aloc_usage.md

@@ -87,31 +87,32 @@ like `s1.loc[:] = s2` do. See also the [cookbook](/docs/cookbook.md#broadcast-ar
 
 *Indexer Table*
 
-| example | type | on | handling |
+| example | type | on | like `.loc` | handling |
 | ------ | ------ | ------ |------ |
-|**column indexer**| 
-| `.aloc[any, ['a']]`         | scalar                | columns | graceful |
-| `.aloc[any, ['a','c']]`     | list-like             | columns | graceful |
-| `.aloc[any [True,False]]`   | bool list-like        | columns | take `True`'s , length must match (!) |
-| `.aloc[any, s]`             | pandas.Series         | columns | like list, only values |
-| `.aloc[any, bs]`            | bool pandas.Series    | columns | like bool-list |
-| `.aloc[any, 'b':'z']`       | slice                 | columns | filter |
-|**row indexer**| 
-| `.aloc[7, any]`             | scalar                | rows | translate to `.loc[key:key]` |
-| `.aloc[[1,2,24], any]`      | list-like             | rows | handle graceful |
-| `.aloc[[True,False], any]`  | bool list-like        | rows | take `True`'s, length must match nr of (all selected) columns (!) |
-| `.aloc[s, any]`             | pandas.Series         | rows | like `.loc[s.index]` |
-| `.aloc[bs, any]`            |  bool pandas.Series   | rows | align + just take `True`'s, [1]  |
-|**2D indexer**| 
-| `.aloc[[[s],[1,2,3]], any]` | nested list-like  | both | one row-indexer per column, outer length must match nr of columns(!) |
-| `.aloc[di]`                 | dios-like         | both | full align  |
-| `.aloc[di, ...]`            | dios-like         | both | full align, ellipsis has no effect |
-| `.aloc[di>5]`               | bool dios-like    | both | full align + take `True`'s [1] |
-| `.aloc[di>5, ...]`          | (bool) dios-like  | both | full align, disable bool evaluation |
-[1] evaluate `usebool`-keyword
+|[Column indexer](#select-columns-gracefully)| 
+| `.aloc[any, ['a']]`         | scalar               | columns |no| select graceful |
+| `.aloc[any, 'b':'z']`       | slice                | columns |yes| slice |
+| `.aloc[any, ['a','c']]`     | list-like            | columns |no| filter graceful |
+| `.aloc[any [True,False]]`   | bool list-like       | columns |yes| take `True`'s , length must match (!) |
+| `.aloc[any, s]`             | pandas.Series        | columns |no| like list, only values |
+| `.aloc[any, bs]`            | bool pandas.Series   | columns |yes| like bool-list |
+|[Row indexer](#selecting-rows-a-smart-way)|                                               
+| `.aloc[7, any]`             | scalar               | rows    |no| translate to `.loc[key:key]` |
+| `.aloc[3:42, any]`          | slice                | rows    |yes| slice |
+| `.aloc[[1,2,24], any]`      | list-like            | rows    |no| filter graceful |
+| `.aloc[[True,False], any]`  | bool list-like       | rows    |yes| take `True`'s, length must match nr of (all selected) columns (!) |
+| `.aloc[s, any]`             | pandas.Series        | rows    |no| like `.loc[s.index]` |
+| `.aloc[bs, any]`            | bool pandas.Series   | rows    |no| align + just take `True`'s, [1]  |
+| `.aloc[[[s],[1,2,3]], any]` | nested list-like     | both    |?| one row-indexer per column, outer length must match nr of (selected) columns(!) |
+|[2D-indexer](#the-power-of-2d-indexer)|                                                
+| `.aloc[di]`                 | dios-like            | both    |no| full align  |
+| `.aloc[di, ...]`            | dios-like            | both    |no| full align, ellipsis has no effect |
+| `.aloc[di>5]`               | bool dios-like       | both    |no| full align + take `True`'s [1] |
+| `.aloc[di>5, ...]`          | (bool) dios-like     | both    |no| full align, disable bool evaluation |
+[1] evaluate `usebool`-keyword 
 
 Example dios
----------
+============
 
 The dios used in the examples, unless stated otherwise:
 
@@ -127,7 +128,7 @@ The dios used in the examples, unless stated otherwise:
 ```
 
 Select columns, gracefully
----------------------------
+===========================
 
 **single columns**
 
@@ -185,7 +186,7 @@ d.aloc[:, s]
 ```
 
 Selecting Rows a smart way
---------------------------
+==========================
 
 For scalar and array-like indexer with label values, the keys are handled gracefully, just like with 
 array-like column indexers.
@@ -327,14 +328,19 @@ as long as the two series objects not have the same index. But maybe one want to
 [DictOfSeries.index_of()](/docs/methods_and_properties.md#diosdictofseriesindex_of).
 
 
+**T_O_D_O - nested lists**
+- `.aloc[nested list]` -  use a own list-like row indexer on each columns 
+- sublists can be series, bool-series, lists or bool-lists
+
+
+
 The power of 2D-indexer
------------------------
+=======================
 
 Overview: 
 
 |                      |        |
 | ------               | ------ |
-| `.aloc[nested lists]`      | use different indexer-types on different columns |
 | `.aloc[bool-dios]`         | 1. align columns, 2. align rows, 3. just take `True`'s  -- [1] |
 | `.aloc[dios, ...]` (use Ellipsis)        | 1. align columns, 2. align rows, (3.) ignore values  -- [1] |
 [1] evaluate `usebool`-keyword