Last Change: 2018-09-07, 16:50
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yudit - Unicode Editor for The X Window System
yudit [ -e encoding ] [[ file-name [ file-name... ]]
yudit is a Unicode text editor.
When a user runs yudit for the first time $HOME/.yudit, $HOME/.yudit/data, $HOME/.yudit/fonts, and $HOME/.yudit/syntax are created.
The configuration file can be edited inside yudit. For the detailed description of usage and configuration take a look at the on-line manual.
If you are planning to save files with yudit please note that the format preferred encoding format for Unicode files is utf-8.
Yudit can convert between different encoding methods, but if you do not need a GUI consider uniconv.
-e encoding
Encoding determines how yudit interacts with character streams: file input, file output, cut and paste. XInput encoding is set up to use an independent, fixed encoder.
If you received yudit through the yudit distribution, the following encoding methods are inclusively supported:
utf-8, utf-7, utf-16, utf-16-le, utf-16-be, euc-jp, iso-2022-jp, shift-jis, big-5, gb-2312 and java.
For a detailed description of these refer to uniconv man page.
Yudit can also use the keyboard input files as a transliterating text converters.
file-name
is the file yudit should read into its editor buffer at start-up. When multiple files are specified, they become available in the history of the command area. The history can be viewed there by pressing the up and down arrow keys.
Yudit has an editor area and a command area.
Some of the commands need the documentation files to be available uncompressed. They may come in a separate yudit-doc package.
Some of the commands require confirmation to execute. One example is when we want to replace an unsaved editor buffer with a new file. If the editor buffer was not saved, the command will abort unless -yes option is given.
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help |
Load a help file, which is a FAQ.TXT document in your language. For language settings refer to yudit.default.language topic of a howto configure document. |
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test |
Load a test page. |
configure | config
The configuration file $HOME/.yudit/yudit.properties will be loaded into the editor buffer.
After editing and saving the configuration file yudit should be restarted for the changes to take effect.
howto configure
Load the HOWTO-configure.txt document if it exists. That document contains information about editing the configuration file.
Various other topics are also available. These howto documents can be viewed on yudit website too.
find string
Find a string in the document.
If the string contains spaces, double or single quotes can be used around it.
replace string replacement
Find a Unicode string and replace it with another string interactively.
If the string or replacement contains spaces, double or single quotes can be used around them.
go | goto line [column]
Move the caret to the line and (optionally) to the column.
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sedy |
Display the location of the encryption module add-on. Refer to yudit.syntaxpath section of the howto configure document for details. |
print [options]
Print the document, create a postscript file, or send the postscript file to a program. For a full list of options, type print -h on the command area.
For instance print -e evince will send the postscript file to the program evince.
print -o out.ps will create a postscript file called out.ps.
When printing from inside the editor, the current font is used. Bitmap fonts are also converted into postscript, but yudit will complain in the status area about bad printing quality in such a case.
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syntax |
Yudit provides a user interface to switch dictionaries and add a different highlighting type. This can also be done in the command area. Type syntax -h for help. |
If the command is issued without an argument, the location of the spell-checker add-on is displayed.
save [-yes] -e encoding filename
Save the current buffer. The preferred encoding is utf-8. If a keymap name is used as an encoding, a transliterated text is written to the file.
Use the -yes option if you are sure you want to overwrite an existing file.
For a list of available encoding methods use the the command line tool: uniconv -h
open | load [-yes] -e encoding filename
Load a file to the editor buffer. The preferred encoding is utf-8. If a keymap name is used as an encoding, the input file will be parsed by that keymap.
Use the -yes option if you do not mind losing unsaved changes of the current editor buffer.
For a list of available encoding methods use the the command line tool: uniconv -h
A variety of key shortcuts are available to make editing more convenient. Arrow-keys, page-down, page-up, home and end work as expected. There is only insert mode in yudit.
Holding down the shift key while moving the caret selects the text.
In the command area the up and down keys serve as command history browser keys.
Some of the icons have tool-tips which can be used to check the shortcut.
The line-break button does not have a shortcut. It can be used to change the line-break character to Unix/DOS/MAC(obsolete)/PS(a rarely used Paragraph Separator). Pressing this button will modify the document in the buffer.
Function Keys
F1..F12 are used to switch between input methods. The assignment of the keys are defined in the configuration property yudit.editor.inputs which can be changed directly from inside yudit by the input assignment dialog.
Shift F1..F12 are used to switch between fonts. The assignment of the keys are defined in the configuration property yudit.editor.fonts which can be changed via editing yudit.properties. See howto configure command.
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esc |
The escape key can be used to switch between editing and command mode. |
ctrl|meta O
This shortcut copies an open-file command to the command area.
ctrl|meta S
This shortcut copies a save command to the command area.
ctrl|meta P
This shortcut copies a print command to the command area.
ctrl|meta W
This shortcut copies a print-preview command to the command area.
The default preview commend can be set via the configuration property yudit.default.preview.command.
ctrl|meta Q
This shortcut copies a find command to the command area.
ctrl|meta U
Undo the last change to the document. There are cases where the change is broken down into smaller changes, so you may need to press this more than once.
ctrl|meta R
Redo the changes that were undone by the Undo shortcut.
ctrl|meta T
Change the embedding of the document. Document embedding can be right-left, neutral, and left-right. This is only a visual change, the document itself will not be modified.
ctrl|meta D
Override the directionality of the input and the selected text.
The following markers are used: RLO (Right-Left Override), LRO (Left-Right Override), PDF (Pop Directional Formatting).
Text under RL cursor for instance will be enclosed between RLO-PDF markers.
Note that yudit uses Unicode BiDi algorithm. Characters have inherent directionality properties, so normally override is not needed.
It is useful if the script can be written both ways.
In case of Old Hungarian and Old Italic yudit provides software glyph mirroring depending on inherent directionality of the character, the font directionality and the directionality override.
See yudit.font.<fontname> in howto configure document to set up such a font.
ctrl|meta E
Override the embedding of the input and the selected text.
The following markers are used: RLE(Right-Left Embedding), LRE(Left-Right Embedding), PDF(Pop Directional Formatting).
Text under RL-embedded cursor will be enclosed between RLE-PDF markers.
Embedding can be used to change the embedding level of a region of a text.
ctrl|meta Y
Give up embedding and directionality. The RLO-LRO/RLE-LRE and PDF markers will be removed from the selected text.
ctrl|meta A
Make the font size smaller. Available font sizes are defined by the configuration property yudit.editor.fontsizes which can be edited by hand.
ctrl|meta Z
Make the font size bigger. Available font sizes are defined by the configuration property yudit.editor.fontsizes which can be edited by hand.
ctrl|meta N
This command copies the current highlighting mode into the command area.
ctrl|meta C
Copy selected text to CLIPBOARD. The X Window System has 2 clipboards. This clipboard is the one that can be accessed only via keyboard shortcuts.
ctrl|meta X
Copy selected text to CLIPBOARD and delete it from the editor. In X Window System there are 2 clipboards. This clipboard is the one that can be accessed only via keyboard shortcuts.
ctrl|meta V
Paste the selected text from CLIPBOARD into the editor. In X Window System there are 2 clipboards. This clipboard is the one that can be accessed only via keyboard shortcuts.
If there is selected text in the editor, it will be replaced by the contents of the CLIPBOARD.
The behavior of the other (XA_PRIMARY) X11 clipboard is different. The selected text automatically goes to XA_PRIMARY clipboard and can be pasted by the middle mouse button.
When editing encrypted sedy files XA_PRIMARY clipboard is read-only.
ctrl|meta H
Move the caret to the left.
ctrl|meta L
Move the caret to the right.
ctrl|meta J
Move the caret down.
ctrl|meta K
Move the caret up.
ctrl|meta B
Move to the previous page.
ctrl|meta F
Move to the next page.
ctrl|meta M
Erase the whole line.
The environment variable HOME should point to the user’s home directory, where the yudit configuration file (~/.yudit/yudit.properties) is kept.
Removing ~/.yudit/yudit.properties forces yudit to recreare the configuration file with default properties.
mytool, uniconv, uniprint
This program was written by gaspar AT yudit DOT org (Gaspar Sinai), in Tokyo, and released on 10 November, 1997 as yutex. It was renamed to yudit on 8 December 1997.
Version 2.0 was released in January 2001. It came with internal font processing in an effort to make it work in any environment. It was ported to Windows also.
Many thanks to Andrew Weeks at University of Bath for releasing his TrueType to postscript (ttf2pfa) program which gave the inspiration of font conversion, rasterization and printing in the 2.0 series.
When Linux started to support Unicode Yudit project became inactive.
In 2020 the project was revisited and a Macintosh port was added. In 2023 yudit.scale property was introduced to upscale the GUI on high-resolution monitors.