Grammatical corrections and a couple of extra defs

docs/tablet-2-basic-syntax.txt

@@ -20,13 +20,12 @@ or [**class**](appendix-a-index.html#class). That marks your code as Perl 6
 Perl 5 and 6 in one source file.
 
 To even that little obstacle, you can leave out the usual `use strict;` and
-`use warnings;` in front of every script, because thats now default.
+`use warnings;` in front of every script, because that is now the default.
 Also `use utf8;` is obsolete since any Perl 6 source code is always treated
 as UTF-8 and any [*unicode*](appendix-g-glossary.html#unicode) character can
 be used anywhere in the code. Even the features of the pragmas `constant` and
 `vars` are now part of the core language.
 
-Also the functionality of many useful and famous modules like Moose
 Also the functionality of many useful and famous modules like Moose
 (object system), Parse::RecDescent++, exception handling,
 List::\[More\]Utils, Export, English an advanced pretty printer and
@@ -72,8 +71,8 @@ compiler to ignore the rest of the line.
 Multi Line
 ----------
 
-If many lines has to be commented,
-use "**[\#\`](appendix-a-index.html#pound-apostrophe)**"
+Many lines can be commented by using
+"**[\#\`](appendix-a-index.html#pound-apostrophe)**"
 followed by any pair of braces that surround the comment.
 
     $things = #`( I wonder how many of these
@@ -84,10 +83,10 @@ Documenting Comments
 --------------------
 
 When adding an equal sign after the pound like
-**[#=](appendix-a-index.html#pound-equal)**, it can be used to comment
-a subroutine or method that has this description stored.
-It's accessible via the *[WHY](#WHY-introspection)* introspection method
-of the routine object.
+**[#=](appendix-a-index.html#pound-equal)**, a comment about the following
+a subroutine or method is stored.
+This comment is accessible via the *[WHY](#WHY-introspection)* introspection
+method of the routine object.
 
     #= ...
     sub {
@@ -117,7 +116,7 @@ Quoting
 
 Quoting, like [regular expression](tablet-9-regexes.html), is a sublanguage
 inside the main language with its own syntactical rules. It is parsed
-by a special grammar as to be found in the [special
+by a special grammar which can be found in the [special
 variable](appendix-b-grouped.html#special-variables) `$~Quote`. The
 operator with the same name (the generic quoting operator `Q`) does
 almost nothing, just provides a mechanism to mark the beginning and
@@ -128,9 +127,9 @@ end of text sequence.
 Delimiter
 ---------
 
-The examples in this chapter use almost every time slashes for that
-purpose, but any not alphanumerical character or pair of matching
-(bracing) character can be used as well.
+The examples in this chapter use slashes as the delimier in almost
+all cases, however any non-alphanumeric character or pair of matching
+(bracing) characters can be used as well.
 
     Q /.../ or Q |...| or Q *...* or Q "..." or Q[...] ...
 
@@ -201,10 +200,10 @@ following are synonyms:
     '...'
 
 
-The backslash (\\) liberates here just itself and the single quote
-from its special meaning. Or to put it simple \\\\ translates (or
-interpolates) to \\ and \\' to '. For anything more you need
-additional adverbs.
+The backslash (\\) here is only required to delimite itself and
+the single quote from its special meaning. Or to put it simply \\\\
+translates (or interpolates) to \\ and \\' to '. For anything more
+you need additional adverbs.
 
     'Welcome in Larry\'s madhouse'
     '\'\\'; # string contains: '\
@@ -215,8 +214,8 @@ additional adverbs.
 Double Quotes
 -------------
 
-Double quoting combines all the previous mentioned adverbs for
-interpolation (also **:q** - implied by **:b**), thatswhy all the
+Double quoting combines all the previously mentioned adverbs for
+interpolation (also **:q** - implied by **:b**), so all the
 following are synonymous.
 
     Q :s, :a, :h, :f, :c, :b /.../;
@@ -243,19 +242,19 @@ any whitespace (\\s aka <ws>).
 
     Q :quotewords /.../; # qw/.../ with quote protextion
     Q :ww /.../; # :qq implied
-    <<>> # have also a unicode alias (chevron)
+    <<>> # also have a unicode alias (chevron)
 
 The second group of aliases mark a modified version, where single and
 double quoted strings (inside the quote) are treated as one
-word. Thats called *quote* protection.
+word. This is called *quote* protection.
 
     my @steps = <one "two three">; # 3 steps to success: ["one", "\"two", "three\""]
     my @steps = <<one "two three">>; # now only 2 steps: ["one", "two three"]
 
 
 Please note also that **:quotewords** (double pointy braces) implies
-**:double** (double quotes), which means all [interpolation rules](#interpolation)
-apply here also.
+**:double** (double quotes), which means all
+[interpolation rules](#interpolation) apply here as well.
 
     <$pi> eq '$pi'   # True
     <<$pi>> == pi    # True (hopefully)
@@ -279,7 +278,7 @@ by the adverbs **to** and heredoc. Heredocs can be nested.
 
 To make templates in which variables and closures are evaluated, take
 the normal double quote and just add the adverb for the heredoc
-delimiter or define with other adverbs what exactly you want to have
+delimiter or define with other adverbs exactly what you want to have
 evaluated.
 
     qq:heredoc 'EOT';
@@ -302,7 +301,7 @@ warnings early if there is something incompatible with convention.
 Regex
 -----
 
-Even being a completely different language then quoting on its own (as
+Even being a completely different language than quoting on its own (as
 to be defined in *\$\~Regex* and *\$\~P5Regex*), [regular
 expressions](tablet-9-regexes.html) can be built using the general quoting
 operator with the right adverb.
@@ -345,12 +344,13 @@ Number Literals
 Unlike strings, numbers don't need
 [quoting](#quoting). But if there is a non number
 character in it, there will be an error. Chars of a number definition
-are: (0-9,.,+,-,e,E,i,_) including the [radix
+are: (0-9,.,+,-,e,E,i,\_) including the [radix
 prefixes](#radix-prefixes): (0b,0o,0d,0x) and the
 prefix for [version numbering](#version-number)
-(v). The + and can act also as operator that convert into the
-numerical context, which still means: take from left to right all
-digits and stop with the first none number character.
+(v). The + can also act as an operator that converts a string
+to numerical context, which means: take form left to right all digits
+and interprate as a numeric literal. This will fail if the string
+contains any number numeric digits.
 
 A single underscore is allowed only between any two digits, delimiter
 helping readability.
@@ -360,11 +360,15 @@ helping readability.
     $int = 2;
     $real = 2.2;
 
-
+    $num = +'123';
+		$num = +'123foo'; # fails, 'foo' is not numeric
 
 Radix Prefixes
 --------------
 
+Prefixes may be use to enter numbers in the most commonly used
+radices.
+
     0b binary - base 2, digits 0..1
     0o ocatal - base 8, digits 0..7
     0d decimal - base 10, digits 0..9
@@ -375,13 +379,23 @@ Radix Prefixes
 General Radix Form
 ------------------
 
+Numbers may be entered in any radix using the general radix form, digits
+are represented by `0-9` and then `a-z` (case insensitive), so up to base
+36 can be represented as a string of digits.
+
     :10<42> # same as 0d42 or 42
+    :36<3z> # 3*(36**1) + 35*(36**0) = 143
 
+Larger radices can be entered as lists of decimal numbers.
 
+    :60[12,34,56]; # 12*(60**2) + 34*(60**1) + 56*(60**0) = 45296
 
 Scientific Notation
 -------------------
 
+Scientific notation may be entered using `e` (case insensitive) and
+works the way you would expect.
+
     $float = 60.2e23 # becomes automatically 6.02e24
     $float = 6.02E-23 # capital E works too
 
@@ -390,7 +404,7 @@ Scientific Notation
 Rational Number
 ---------------
 
-To distinguish them from a division operation, you have to groupe them
+To distinguish them from a division operation, you have to group them
 with braces.
 
     (3/7)
@@ -404,7 +418,7 @@ get (3/7), the nude source code. There are 2 different [immutable
 value types](appendix-b-grouped.html#immutable-types) representing
 both rational number. FatRat has unlimited precision and Rat has just
 enough to be evaled into a Real type. When you explicitly [type a
-variable](tablet-3-variables.html#data-types) to one o them, the braces become
+variable](tablet-3-variables.html#data-types) to one of them, the braces become
 optional.
 
     my Rat $pi_approx = 22/7;
@@ -415,8 +429,8 @@ optional.
 Complex Number
 --------------
 
-have also there own [immutable value
-type](ap-b-lookup.html#immutable-types).
+There is also an [immutable value
+type](ap-b-lookup.html#immutable-types) for complex numbers.
 
     1+2i
     my $c = 5.2+1e42i;
@@ -444,7 +458,7 @@ perl
 ----
 
 The `.perl` method returns a string that arranges any set of values in
-almost the same format, as the would be defined it source code. It's a
+almost the same format, as it would be defined in source code. It's a
 built in Data::Dumper (pretty printer).
 
     @a.perl # evals to: [1, 2, 3, 4, 5]
@@ -501,7 +515,7 @@ xxx
 Formats
 -------
 
-moved from core language to a module.
+Moved from core language to a module.