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The original code was incorrect: it used erase() on the end() iterator. Also, it only checked for an initially empty page, but could not deal with a page containing only empty lines, which will become an empty page during the empty line removal. The check for a line being empty is now done by searching the line for non-whitespace characters instead of by trimming it. This avoids creating new string objects that are only used to check whether they are empty.
[Introduction] GMenu2X is a replacement for the official frontend for the gp2x released under the GNU GPL license. [Installation] Copy the file autorun.gpu and the directory gmenu2x/ to the root of your sd card. Verify that the autorun option in the standard gp2x interface is enabled. (Re)Boot your gp2x and enjoy GMenu2X. [Controls] X, Stick left: Goes up one directory in file browser. X: Cancel action. B, Stick press: Launch selected link / Confirm action. L, R: Switch between sections - PageUp/PageDown on lists. Y: Bring up the manual/readme. VOLDOWN: Decrease cpu clock. VOLUP: Increase cpu clock. VOLDOWN+VOLUP: Reset clock. A+VOLDOWN: Decrease volume for the selected link. A+VOLUP: Increase volume for the selected link. A+VOLDOWN+VOLUP: Reset volume for the selected link. SELECT: Bring up the contextual menu. START: GMenu2X options. [Contacts] Developed by Massimiliano Torromeo <massimiliano.torromeo@gmail.com> Visit the homepage at http://gmenu2x.sourceforge.net for more info.