some typos

[gorzel]

3.10.2 Source code debugger sing_63.htm#SEC101

1. line:

   future versions of Singular. 
   

write Singular as @sc{Singular}

5. line sdb commands

   Each sdb command consist 
   

   missing "s" at consists

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In 3-1-0/sing_62.htm#SEC100

appears

    5.3.9 TRACE	  	

See TRACE var.

A single link below the example (where the example appears as smallexample)

See TRACE

would be sufficient.

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3-1-0/sing_634.htm#SEC687

in A.3.5 Handling graded modules

the last line

  may be apllied 

write: applied

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3-1-0/sing_178.htm#SEC219 5.1.12 contract

  ...producing a m x n matrix. 

write: an m x n