Fix a few typos

markup/build

@@ -345,7 +345,7 @@ task :default => [:foo] _
  _
 task :foo do _
 @<&nbsp;&nbsp;>@puts "foo" _
-end||##gray|<!@@--@@ if no target specifed on cmd line _
+end||##gray|<!@@--@@ if no target specified on cmd line _
 or as a default ant does nothing successfully @@--@@>## _
 <project default="foo"> _
 @<&nbsp;&nbsp;>@<target name="foo"> _
@@ -1021,7 +1021,7 @@ How to define a target with multiple recipes.  If the target is invoked, all rec
 
 If a target has multiple recipes, all of them must use the double colon syntax.  The recipes are executed in the order in which they are defined in the Makefile.
 
-Each recipe can have its own prerequisites.  Recipes for which the the prerequisites exist and the target is newer than the prerequisites will not execute.
+Each recipe can have its own prerequisites.  Recipes for which the prerequisites exist and the target is newer than the prerequisites will not execute.
 
 [[# empty-recipe-note]]
 ++ [#empty-recipe empty recipe]
@@ -1448,4 +1448,4 @@ We can define a property containing the value of an environment variable:
 <PropertyGroup>
   <Invoker>$(USERNAME)</Invoker>
 </PropertyGroup>
-[[/code]]
+[[/code]]

markup/c

@@ -98,7 +98,7 @@ func baz() { _
  _
 @<&nbsp;&nbsp;>@fmt.Println(foo.X + y + z) _
 }||
-||[[# uninitialized-var]][#uninitialized-var-note uninitialized variable]||##gray|//The behavior of reading from uninitialized stack variables or unitialized memory allocated by// malloc //is undefined. _
+||[[# uninitialized-var]][#uninitialized-var-note uninitialized variable]||##gray|//The behavior of reading from uninitialized stack variables or uninitialized memory allocated by// malloc //is undefined. _
  _
 Global and static variables are zero-initialized. _
  _
@@ -1243,7 +1243,7 @@ caller() { _
 ##gray|/* seconds */## _
 int retval = sleep(10); _
 if (retval != 0) { _
-@<&nbsp;&nbsp;>@printf("interupted with %d s to go", retval); _
+@<&nbsp;&nbsp;>@printf("interrupted with %d s to go", retval); _
 } _
  _
 ##gray|/* microseconds */## _
@@ -2375,7 +2375,7 @@ Unsigned integer types.
 
 **c:**
 
-Whether //char// is a signed or unsigned type depends on the implmentation.
+Whether //char// is a signed or unsigned type depends on the implementation.
 
 [[# float-type-note]]
 ++ [#float-type float type]
@@ -2424,7 +2424,7 @@ The square root function.
 [[# sqrt-negative-one-note]]
 ++ [#sqrt-negative-one sqrt -1]
 
-The result of attempting to find the square root of a negative nubmer.
+The result of attempting to find the square root of a negative number.
 
 [[# transcendental-func-note]]
 ++ [#transcendental-func transcendental functions]
@@ -2645,7 +2645,7 @@ The list of regular expression metacharacters.
 A regular expression that does not contain any metacharacters matches itself as a string.
 
 [[# char-class-abbrev-note]]
-++ [#char-class-abbrev character class abbrevations]
+++ [#char-class-abbrev character class abbreviations]
 
 Abbreviations for character classes.
 
@@ -3752,4 +3752,4 @@ MAC SPECIFIC
 + [#top Go]
 
 [http://golang.org/doc/go_spec.html Language Specification]
-[http://golang.org/pkg/ Package Reference]
+[http://golang.org/pkg/ Package Reference]

markup/computer-algebra

@@ -275,7 +275,7 @@ numeric. */##||
 @<&nbsp;>@||StringSplit["foo,bar,baz", ","]|| || ||split("foo,bar,baz", ",");||
 ||[[# str-subst]][#str-subst-note substitute] _
  _
-##gray|//first occurrence, all occurences//## ||s = "do re mi mi" _
+##gray|//first occurrence, all occurrences//## ||s = "do re mi mi" _
 re = RegularExpression["mi"] _
  _
 StringReplace[s, re -> "ma", 1] _
@@ -1198,7 +1198,7 @@ How to test whether a value is an element of a list.
 [[# intersection-note]]
 ++ [#intersection intersection]
 
-How to to find the intersection of two lists.
+How to find the intersection of two lists.
 
 [[# union-note]]
 ++ [#union union]
@@ -1397,4 +1397,4 @@ http://doc.sagemath.org/html/en/index.html
 [[# sympy]]
 + [#top SymPy]
 
-[http://docs.sympy.org/latest/index.html Welcome to SymPy’s documentation!]
+[http://docs.sympy.org/latest/index.html Welcome to SymPy’s documentation!]

markup/computer-algebra2

@@ -2131,7 +2131,7 @@ If a matrix //A// is symmetric, then a spectral decomposition //P ⋅ D ⋅ P^^-
 [[# svd-note]]
 ++ [#svd singular value decomposition]
 
-A singluar value decomposition of a matrix //A// is a factorization into a diagonal matrix //S// and unitary matrices //U// and //V// such that //A = U ⋅ S ⋅ V^^*^^//.
+A singular value decomposition of a matrix //A// is a factorization into a diagonal matrix //S// and unitary matrices //U// and //V// such that //A = U ⋅ S ⋅ V^^*^^//.
 
 Unlike the spectral decomposition, an SVD always exists, even if //A// is not square.  The values on the diagonal of //S// are called the singular values, and they are the eigenvalues of //A ⋅ A^^*^^//.
 
@@ -2149,7 +2149,7 @@ A factorization of a square matrix into a unitary matrix //U// and a positive de
 
 All invertible matrices have a polar decomposition.
 
-A unitary matrix corresponds to a linear transformation representing a rotation, reflection, or a combination of the two.  It is distance perserving, in that it maps vectors to vectors of the same length.  A real valued unitary matrix is called an orthogonal matrix.
+A unitary matrix corresponds to a linear transformation representing a rotation, reflection, or a combination of the two.  It is distance preserving, in that it maps vectors to vectors of the same length.  A real valued unitary matrix is called an orthogonal matrix.
 
 [[# combinatorics-note]]
 + [#combinatorics Combinatorics]
@@ -3036,7 +3036,7 @@ How to change the size of the symbols used to mark points.
 [[# scatter-plot-matrix-note]]
 ++ [#scatter-plot-matrix scatter plot matrix]
 
-A scatter plot matrix is a way of displaying a multivariate data set by means of a grid of scatter plots.  Off-diagonal plots are scatter plots of two of the variables.  On-diagonal plots can be used to to display the name or a histogram of one of the variables.
+A scatter plot matrix is a way of displaying a multivariate data set by means of a grid of scatter plots.  Off-diagonal plots are scatter plots of two of the variables.  On-diagonal plots can be used to display the name or a histogram of one of the variables.
 
 [[# scatter-plot-3d-note]]
 ++ [#scatter-plot-3d 3d scatter plot]
@@ -3179,4 +3179,4 @@ http://doc.sagemath.org/html/en/index.html
 [[# maxima]]
 + [#top Maxima]
 
-http://maxima.sourceforge.net/docs/manual/maxima.html
+http://maxima.sourceforge.net/docs/manual/maxima.html

markup/cpp

@@ -2279,7 +2279,7 @@ The parens are necessary because compound assignment has lower precedence than t
 
 The caveat about primitive types is necessary because the {{++}} operator can be overloaded.  In fact the prefix and postfix versions can be overloaded separately.
 
-In the case of the the postfix operator, the following are equivalent for primitive types:
+In the case of the postfix operator, the following are equivalent for primitive types:
 
 [[code]]
 cout << i-- << endl;
@@ -3051,7 +3051,7 @@ How to iterate over a resizable array.
 
 **C++**
 
-The range-based for loop was introduced in C++11.  It it can be used to iterate over an initialization list:
+The range-based for loop was introduced in C++11.  It can be used to iterate over an initialization list:
 
 [[code]]
 for (const auto& n: {1, 2, 3}) {
@@ -3839,4 +3839,4 @@ open("/Library/JVM/jdk7.0/Contents/Home/jre/lib/rt.jar\0", 0x0, 0x0)		 = 4 0
 
 [http://standards.iso.org/ittf/PubliclyAvailableStandards/c042926_ISO_IEC_23270_2006(E).zip C# Standard: ECMA-334]
 [http://www.go-mono.com/docs/ Mono API]
-[http://msdn.microsoft.com/en-us/library/67ef8sbd.aspx C# Programming Guide] Microsoft
+[http://msdn.microsoft.com/en-us/library/67ef8sbd.aspx C# Programming Guide] Microsoft

markup/db

@@ -1400,7 +1400,7 @@ Query information_schema.  This requires a language which can branch.
 [[# postgresql]]
 + [#top PostgreSQL]
 
-* [http://www.postgresql.org/docs/9.1/static/index.html PostgresSQL 9.1 Documentation]
+* [http://www.postgresql.org/docs/9.1/static/index.html PostgreSQL 9.1 Documentation]
 
 [[# mysql]]
 + [#top MySQL]
@@ -1411,4 +1411,4 @@ Query information_schema.  This requires a language which can branch.
 [[# sqlite]]
 + [#top SQLite]
 
-* [http://www.sqlite.org/docs.html SQLite Documentation]
+* [http://www.sqlite.org/docs.html SQLite Documentation]

markup/fortran

@@ -283,7 +283,7 @@ write(*, *) 'elapsed time: ', t2 - t1||##gray|//none//##||
 ||[[# allocate-array-on-stack]][#allocate-array-on-stack-note allocate on stack]||##gray|! uninitialized values get zero values:## _
 integer, dimension(3) :: a _
 integer :: a2(3)||##gray|//none//##||
-||[[# allocate-array-on-heap]][#allocate-array-on-heap-note allocate on heap]||##gray|! unitialized values get zero values:## _
+||[[# allocate-array-on-heap]][#allocate-array-on-heap-note allocate on heap]||##gray|! uninitialized values get zero values:## _
 integer, dimension(:), allocatable :: a _
 allocate(a(3))||##gray|//all data is stored on heap//##||
 ||[[# free-array-on-heap]][#free-array-on-heap-note free heap]||##gray|! usually not necessary, since memory is freed _
@@ -834,4 +834,4 @@ The first issue one must resolve when getting started with APL is figuring out h
 
 One technique is to add a input method to your desktop environment.  Here are [https://github.com/clarkgrubb/latex-input/tree/master/apl APL input methods for Mac OS X and Windows].  The Windows input method uses AutoHotkey.  If you don't have AutoHotkey installed, you can use the {{.exe}} file that was generated using AutoHotkey.  Otherwise you can use the {{.ahk}} file.
 
-The notation in the above input methods is derived from the [http://www.jsoftware.com/papers/APLDictionary1.htm#tab4 standard names and synonyms] for the symbols in the APL community.  The standard name for {{⍋}} is "grade".    The above input methods use an ampersand prefix in front of the standard name.  Thus, to create a {{⍋}} character, one types "@grade" when the input method is in effect.
+The notation in the above input methods is derived from the [http://www.jsoftware.com/papers/APLDictionary1.htm#tab4 standard names and synonyms] for the symbols in the APL community.  The standard name for {{⍋}} is "grade".    The above input methods use an ampersand prefix in front of the standard name.  Thus, to create a {{⍋}} character, one types "@grade" when the input method is in effect.

markup/gui

@@ -1109,7 +1109,7 @@ The syntax for a conditional expression.
 
 **tcl**
 
-To evaluate a relational expression outside of the the conditional of an {{if}} statement, the {{expr}} command can be used.
+To evaluate a relational expression outside of the conditional of an {{if}} statement, the {{expr}} command can be used.
 
 Use square brackets to make an expression an argument of a command:
 
@@ -1875,4 +1875,4 @@ Alternatively the JavaScript can be in a separate file served by the same server
 
 To guard against websites serving malicious JavaScript code, the JavaScript interpreters in browsers do not provide the ability to interact with the local operating system.  In particular, client-side JavaScript cannot read or write to files.  Client-side JavaScript cannot spawn other processes. 
 
-Client-side JavaScript can make HTTP requests.  Client-side JavaScript can modify the DOM of an HTML page which was served from the same [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Same_origin_policy_for_JavaScript origin] as the JavaScript.  To be from the same origin, the URLs must have the same protocol, domain, and port.  Client-side JavaScript can also get and set cookies which share the same origin.  The origin policy for cookies is slightly relaxed, since the JavaScript can also get and set cookies for a parent domain, excluding public top level domains such as {{.com}}, {{.net}}, and {{.org}}.
+Client-side JavaScript can make HTTP requests.  Client-side JavaScript can modify the DOM of an HTML page which was served from the same [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Same_origin_policy_for_JavaScript origin] as the JavaScript.  To be from the same origin, the URLs must have the same protocol, domain, and port.  Client-side JavaScript can also get and set cookies which share the same origin.  The origin policy for cookies is slightly relaxed, since the JavaScript can also get and set cookies for a parent domain, excluding public top level domains such as {{.com}}, {{.net}}, and {{.org}}.

markup/lightweight-markup

@@ -206,7 +206,7 @@ ii. roman numeral two||##gray|//numbers in source are used://## _
 2 ) numbered two _
  _
 i) roman numeral one _
-ii) roma numberal two||# numbered one _
+ii) roma numeral two||# numbered one _
 # numbered two||##gray|//error if values in markup are not sequential starting from one://## _
 1. numbered one _
 2. numbered two|| ||
@@ -629,4 +629,4 @@ $ asciidoc -b slidy foo.txt
 [[# org-mode]]
 + [#top Org-mode]
 
-[http://orgmode.org/org.html The Org Manual]
+[http://orgmode.org/org.html The Org Manual]

markup/lisp

@@ -1578,12 +1578,12 @@ Code with balanced parens can be commented out in the following manner:
 [[# id-note]]
 ++ [#id identifier]
 
-Are identifiers case sensitive; which characters can be used in identifers.
+Are identifiers case sensitive; which characters can be used in identifiers.
 
 In Lisp, identifiers are called //symbols//.
 
 [[# quoted-id-note]]
-++ [#quoted-id quoted identifer]
+++ [#quoted-id quoted identifier]
 
 How to quote or escape characters in identifiers which are otherwise prohibited.
 
@@ -3220,4 +3220,4 @@ To bind the command to the key {{C-c l}} run the following in Lisp interaction m
 (global-set-key "\C-cl" 'dired-emacs-lisp)
 [[/code]]
 
-If it is desired to have the above command and key binding always available when Emacs starts up, put them in {{~/.emacs.d/init.el}}.
+If it is desired to have the above command and key binding always available when Emacs starts up, put them in {{~/.emacs.d/init.el}}.

markup/misc-math

@@ -70,7 +70,7 @@ param pi := 3.14;||
 @@&& || !@@||
 ||[[# relational-op]][#relational-op-note relational operators]||== != < > <= >= _
  _
-##gray|# string comparision:## _
+##gray|# string comparison:## _
 eq ne||@@=@@ <> < > <= >= _
  _
 == ##gray|//and//## != ##gray|//are synonyms of//## = ##gray|//and//## <> ||
@@ -665,4 +665,4 @@ Input data is declared with the {{param}} statement, and values to be found by t
 
 //constraints and objective functions//
 
-//data section; can everything be defined in model?  data section or -d flag; what happens when data section misses parameters; data section limitations: parameters and sets, with just literals for values//
+//data section; can everything be defined in model?  data section or -d flag; what happens when data section misses parameters; data section limitations: parameters and sets, with just literals for values//

markup/numerical-analysis2

@@ -1315,7 +1315,7 @@ points(rnorm(20) + 1, rnorm(20) + 1, _
 'v': triangle (down) _
 '^': triangle (up) _
 '<': triangle (left) _
-'>': traingle (right) _
+'>': triangle (right) _
 'p': pentagram _
 'h': hexagram##||##gray|//Integer values for// pch //parameter:// _
  _
@@ -1986,7 +1986,7 @@ How to compute the 1-norm, the 2-norm, the infinity norm, and the frobenius norm
 
 How to construct a sparse matrix using coordinate format.
 
-Coordinate format specifies a matrix with three arrays: the row indices, the the column indices, and the values.
+Coordinate format specifies a matrix with three arrays: the row indices, the column indices, and the values.
 
 [[# sparse-matrix-decomposition-note]]
 ++ [#sparse-matrix-decomposition sparse matrix decomposition]
@@ -2378,7 +2378,7 @@ The probability density, cumulative distribution, quantile, and random number ge
 
 The uniform distribution is described by the parameters //a// and //b// which delimit the interval on which the density function is nonzero.
 
-The uniform distribution the is maximum entropy probability distribution with support //[a, b]//.  
+The uniform distribution is the maximum entropy probability distribution with support //[a, b]//.  
 
 Consider the uniform distribution on //[0, b]//.  Suppose that we take //k// samples from it, and //m// is the largest of the samples. The minimum variance unbiased estimator for //b// is
 
@@ -2922,4 +2922,4 @@ SciPy, Matplotlib, and Pandas are libraries which depend on Numpy.
 [[# julia]]
 + [#top Julia]
 
-http://julialang.org/
+http://julialang.org/

markup/pascal

@@ -1040,7 +1040,7 @@ Files use lower case letters and underscores, but are otherwise named after the
 [[# plpgsql]]
 + [#top PL/SQL]
 
-[http://www.postgresql.org/docs/9.1/interactive/plpgsql.html PostgreSQL 9.1 Documention: PL/pgSQL]
+[http://www.postgresql.org/docs/9.1/interactive/plpgsql.html PostgreSQL 9.1 Documentation: PL/pgSQL]
 [http://www.postgresql.org/docs/9.1/interactive/plpgsql-porting.html Porting from PL/SQL to PL/pgSQL]
 
 Execute statement with no result:
@@ -1074,4 +1074,4 @@ Functions to prevent sql injection:
 
 * quote_literal
 * quote_nullable
-* quote_ident
+* quote_ident