The Random Books, Software, and Thoughts of Michael R Sweet

A Simple Raspberry Pi Zero Case January 09, 2025

I spent part of the holiday break designing myself a simple but flexible 3D-printable case for the Raspberry Pi Zero SBCs. The design is available for free on Thingiverse.

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PDFio 1.4.0 December 26, 2024

PDFio 1.4.0 is a feature and bug fix release. Changes include:

• Added new pdfioDictGetKey and pdfioDictGetNumPairs APIs (Issue #63)
• Added new pdfioArrayRemove and pdfioDictClear APIs (Issue #74)
• Added new pdfioFileCreateNameObj and pdfioObjGetName APIs for creating and getting name object values (Issue #76)
• Updated documentation (Issue #78)
• Updated pdfioContentTextMeasure to support measuring PDF base fonts created with pdfioFileCreateFontObjFromBase (Issue #84)
• Fixed reading of PDF files whose trailer is missing a newline (Issue #80)
• Fixed builds with some versions of VC++ (Issue #81)
• Fixed validation of date/time values (Issue #83)

Enjoy!

Download PDFio v1.4.0 Home Page

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HTMLDOC 1.9.20 December 09, 2024

HTMLDOC 1.9.20 is a bug fix release. Changes include:

• Fixed a regression that caused spaces to disappear between some words (Issue #533)
• Fixed resolution of relative links within a document (Issue #534)

Binaries are available from Github for Windows and macOS, and through the Snapcraft store for Linux.

Enjoy!

Download HTMLDOC 1.9.20 Install HTMLDOC 1.9.20 Snap Home Page

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HTMLDOC 1.9.19 November 21, 2024

HTMLDOC 1.9.19 is a bug fix release. Changes include:

• Security: Fixed an issue with the file_basename implementation (Issue #532)
• Added support for ‘file’ method in links (Issue #512)
• Updated HTML and header/footer code to use a string pool to simplify memory management and fix potential double-free bugs.
• Updated configure script to look for zlib with pkg-config (Issue #519)
• Updated markdown support code to mmd.
• Fixed hyperlinks to subfolders (Issue #525)
• Fixed export of UTF-8 HTML (Issue #526)
• Fixed handling of whitespace-only nodes (Issue #528)
• Fixed handling of tabs in PRE nodes (Issue #529)
• Fixed case sensitivity of link targets (Issue #530)

Binaries are available from Github for Windows and macOS, and through the Snapcraft store for Linux.

Enjoy!

Download HTMLDOC 1.9.19 Install HTMLDOC 1.9.19 Snap Home Page

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PAPPL v1.4.8 November 14, 2024

PAPPL v1.4.8 is now available for download and is a bug fix release. Changes include:

• SECURITY: The web interface password didn’t work properly (Issue #373)
• Now use the “listen-hostname” hostname as system hostname if a name is specified (Issue #369)

Enjoy!

Download PAPPL v1.4.8 Home Page

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PDFio 1.3.2 October 15, 2024

PDFio 1.3.2 is a bug fix release. Changes include:

• Added some more sanity checks to the TrueType font reader.
• Updated documentation (Issue #77)
• Fixed an issue when opening certain encrypted PDF files (Issue #62)

Enjoy!

Download PDFio v1.3.2 Home Page

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PAPPL v1.4.7 October 15, 2024

PAPPL v1.4.7 is now available for download and is a bug fix release. Changes include:

• PAM-based authentication did not work on Linux due to a glibc incompatibility (Issue #343)
• Fixed the web interface for setting the admin and print groups (Issue #356)
• Fixed the web interface for adding network printers on non-standard port numbers (Issue #360)
• Fixed some USB gadget error conditions.
• Fixed the Wi-Fi configuration web page.
• Fixed a logging deadlock issue.
• Fixed some threading issues.
• Fixed how PAPPL responds to an unsupported request character set.
• Fixed the “no-tls” server option.

Enjoy!

Download PAPPL v1.4.7 Home Page

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TTF v1.0.0 August 19, 2024

This is the first stable release of TTF, a simple C library for using TrueType and OpenType font files.

Enjoy!

Download TTF v1.0.0 Home Page Github Project

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