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116 lines
4.6 KiB
Plaintext
116 lines
4.6 KiB
Plaintext
=======================================
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Known problems in XML/Ada version 4.2.0
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=======================================
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Copyright (C) 2011-2012, AdaCore
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The following is a listing of known problems in release 4.2.0. Except where
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specifically noted, all these problems have been corrected in the development
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tree of the 4.3 technology. This means they are corrected in any 4.3.0w
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wavefront issued subsequent to the date specified (in ISO format YYYY-MM-DD) in
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the status line. This can be used to determine if a given wavefront has the fix
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identified in the entry.
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KP-42-L921-037 Schema: leading and trailing zeros in decimal values
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Problem: XML/Ada does not properly ignore leading and trailing zeros
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when comparing a decimal value with the various facets like
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minIncluside, totalDigits, fractionDigits,...
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Avoid putting these unsignificant zeros in the XML file (thus
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also leading to a small XML file). However, this is not always
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applicable if you do not control the origin of the XML file.
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KP-42-L327-044 Schema: change of behavior in Schema.Dom_Readers.Free
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Problem: The previous implementation of Free would free the DOM tree
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that was just parsed, and not call the inherited Free, thus
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leaving a memory leak. As a result, the implementation was
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changed so that now you must call Free on the parser. But since
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users might want to keep the tree around for a longer time, Free
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no longer deallocates the tree, which must be freed separately.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Do not call Schema.Dom_Readers.Free with older versions of
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XML/Ada. This will result in a small memory leak. but is safe
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when you need to keep the tree around.
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KP-42-L316-045 SAX: slow parsing when node character content contains slashes
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Problem: When a node's text content contains slashes ('/'), the parsing
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is slow
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Use a <![CDATA[...]]> markup to protect the whole contents of
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the node.
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KP-42-L104-021 Schema: missing checks for Unique Particle Attribution rule
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Problem: A schema should be reported as invalid in a number of cases:
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when an element has multiple children with the same name but
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different types, or when a <choice> or <all> has multiple
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children with the same name.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Check the grammar with an external tool first. This issue does
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not impact document validation if the grammar is correct.
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KP-42-L104-016 Schema: mixedContent ignored when using complexContent
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Problem: When a type is declared as a <complexType mixed="true"..> but
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contains a <complexContent> child, the mixed attribute is
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ignored. As a result, nodes of this type cannot include text
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contents.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: None.
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KP-42-L103-016 Schema: a complexContent's base must be a complex type
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Problem: XML/Ada does not check that the base type in a complexContent
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is a complex type.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Check the grammar with an external tool first. This issue does
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not impact document validation if the grammar is correct.
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KP-42-L103-011 Schema: missing check for valid attribute types
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Problem: When an attribute is defined as using an unknown simple type
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(for instance xsd:natural), no error is reported.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Check the grammar with an external tool first. Once the grammar
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is correct, XML/Ada will correctly handle it.
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KP-42-KC09-030 Project files not found on x86_64-linux
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Problem: When installing on a 64bit linux platform, the projects
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files are copied into the wrong directory and cannot be found
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automatically by the compiler.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: Either set the GPR_PROJECT_PATH environment variable, or
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manually copy the project files from prefix/lib64/gnat/ to
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prefix/lib/gnat/.
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KP-42-K518-020 Heap exhausted when validating <all> element
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Problem: The implementation of the state machine for <all> nodes was
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generating states for all possible combinations of the children
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of <all>. In many cases, this resulted in huge state machines
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and heap exhaustion.
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Status: Fixed in XML/Ada 4.3.0
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Workaround: None.
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