Strange behavior in URxvt - charactes remain on screen (Incl. Scrot)

Question

I'm using Arch  with Openbox.
Compton as composite manager, ẅith the open source  Xf86-video-ati driver,
URxvt as terminal emulator (with the perl extension collection, more specifically tabbedex,default,keyboard-select,url-select,clipboard,matcher)
and zsh with Oh-My-Zsh as shell.
Recently switched to Arch from Ubuntu, and I'm loving it. But as the topic says, I'm getting some strange behaviors while using URxvt. If I type a command into the terminal, using tab-completetion as i usually do, and then delete some character or press tab again, in about 50% of the cases some characters from the previous command remain on the command line. Also, if I type in for example 'sudo tail -f /var/log', and delete the entire line, the 'S' letter will persistantly remain after my prompt, making the next command 'ssudo'. Other times, the '/' might remain stuck from the '/var/log' part, as shown in the screenshot.
Tried my best to reproduce the problem for a screenshot, so see the image below, the two upmost terminals for an example of what it usually looks like.
Could anybody help me out finding out the cause of this problem? Is it related to zsh, urxvt or the graphics driver?

Answer 1

jasonwryan wrote:Does it happen without Oh-my-zsh? It is likely your prompt (with incorrect or missing escapes) or you are exporting your term.
How would I check the prompt for missing escapes? Haven't tried not using Oh-My-Zsh, would rather fix it if that's the problem.
My current prompt/Oh-My-Zsh-theme:
PROMPT='[%{$fg_bold[white]%}%n%{$reset_color%}@%{$fg_bold[red]%}%m%{$reset_color%} %{$fg[cyan]%}%c%{$reset_color%} $(git_prompt_info)%{$reset_color%}]$ '
ZSH_THEME_GIT_PROMPT_PREFIX="(%{$fg_bold[green]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX=")"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[green]%} %{$fg[yellow]%}✗%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$reset_color%}"
Thank you for your time
Last edited by heroinsunrise (2014-10-13 08:28:14)