8.52. ghostscript

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Updated ghostscript packages that fix several bugs are now available for Red Hat Enterprise Linux 6.
The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common, bitmap formats so that the code can be displayed or printed.

Bug Fixes

Due to a bug in a function that copies CID-keyed Type 2 fonts, document conversion attempts sometimes caused the ps2pdf utility to terminate unexpectedly with a segmentation fault. A patch has been provided to address this bug so that the function now copies fonts properly and ps2pdf no longer crashes when converting documents.
Due to lack of support for the TPGDON option for JBIG2 encoded regions, some PDF files were not displayed correctly. A patch has been provided to add this support so that PDF files using the TPGDON option are now displayed correctly.
Previously, some PDF files with incomplete ASCII base-85 encoded images caused the ghostscript utility to terminate with the following error:
/syntaxerror in ID
The problem occurred when the image ended with "~" (tilde) instead of "~>" (tilde, right angle bracket) as defined in the PDF specification. Although this is an improper encoding, an upstream patch has been applied, and ghostscript now handles these PDF files without errors.
Users of ghostscript are advised to upgrade to these updated packages, which fix these bugs.
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