I use NetBeans for all of my Drupal coding. Granted it doesn't have word wrap, but there is a Drupal plugin that may help with your situation. Check it out at http://plugins.netbeans.org/PluginPortal/faces/PluginDetailPage.jsp?pluginid=10859. I also keep all of my lines below 80 chars so that it doesn't go past the print margin, even if it means having to separate part of a string with the concat operator (.). This makes it easier for me to read and maintain, and gets rid of the word wrapping issue.
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I use NetBeans for all of my Drupal coding. Granted it doesn't have word wrap, but there is a Drupal plugin that may help with your situation. Check it out at http://plugins.netbeans.org/PluginPortal/faces/PluginDetailPage.jsp?pluginid=10859. I also keep all of my lines below 80 chars so that it doesn't go past the print margin, even if it means having to separate part of a string with the concat operator (.). This makes it easier for me to read and maintain, and gets rid of the word wrapping issue.