print downcased code. and other tweaks. adjust bare @ default behaviour

remove headlines in docs file.
add pipe synonym to ||.

README.md

@@ -194,7 +194,7 @@ Iterate a datastructure (as if with `?txpr`) and collect the matches in a new
 
 ### Transformer Operators - `?xpr`, `?txpr`, `?mxpr`
 
-Perform operation on when pattern or condition is satisfied:
+Perform operation when pattern or condition is satisfied:
   - `(?xpr sel)`: match current value against `EXPR Selector`. Return the
     result if not `nil`.
   - `(?xpr sel hit-expr)`: match current value against `EXPR Selector`.
@@ -203,8 +203,8 @@ Perform operation on when pattern or condition is satisfied:
     selectors`.  Evaluate `hit-expr` if not `nil`; else evaluate `miss-expr`.
     `_` is the matching item.
 
-Recursively traverse a structure of `sequences` and `hts` and return
-a new value for each match:
+Recursively traverse a nested structure of `sequences` and `hts` and return a
+new value for each match:
   - `(?txpr sel .. tx-expr)`: recursively traverse current value and replace
     matches with `tx-expr`. `tx-expr` can be a function name or expression.
     Also traverses vectors and `ht` values.

bin/test-sh.sh

@@ -60,12 +60,12 @@ a='[{"v":1},{"v":1},{"v":7},{"v":100}]'
 r=`echo '1 x 1 x 7 x 100' |\
     sbcl --script ./tqn-sh.lisp -jm '(splt _ :x) int!? #((new$ :v _))'`; check;
 
-a='((:V . 1))
-((:V . 3))'
+a='((:v . 1))
+((:v . 3))'
 r=`echo '1 x 3 x ' |\
     sbcl --script ./tqn-sh.lisp '(splt _ :x) int!? [is?] #((new$ :v _))'`; check;
 
-a='#(((:V . 1)) ((:V . 1)) ((:V . 7)) ((:V . 100)))'
+a='#(((:v . 1)) ((:v . 1)) ((:v . 7)) ((:v . 100)))'
 r=`echo '1 x 1 x 7 x 100' |\
     sbcl --script ./tqn-sh.lisp -lm '(splt _ :x) int!? #((new$ :v _))'`; check;
 
@@ -86,7 +86,7 @@ r=`echo '1 2' | sbcl --script ./jqn-sh.lisp -t '_'`; check;
 a='{"_id":1}'
 r=`echo '{"_id": 1}' | sbcl --script ./jqn-sh.lisp -jm '{:_id}'`; check;
 
-a='((:_ID . 1))'
+a='((:_id . 1))'
 r=`echo '{"_id": 1}' | sbcl --script ./jqn-sh.lisp -lm '{:_id}'`; check;
 
 a='{"_id":"65679","things":[{"id":10}]}