What changed in EDuke32, build by build

* support for free mixing of multi- and single-tile parallaxed skies in classic * make visibility independent of yxaspect and viewingrange in OpenGL modes -- editor: * when dragging walls, restore pixel width after that (only for the left and right walls of pointhighlight, and its nextwalls, if any) * pasting on walls and auto-aligning them now carries over a few more fields -- fixes: * visibility in OpenGL modes wasn't incremented gradually (regression due to making 'clamp' an inline function instead of a macro) * memory corruption due to calling qlz_compress with less than the recommended surplus storage of 400 bytes * decorative sprites in the mirror showing non-flipped * make the subway SE message (much) more helpful by showing which sector the game considers to be the track sector

results.

* Polymer light access to m32script (light[<lightidx>].<field>). As an application, provide a state 'insertlights' that takes the currently active lights and puts them into the map as SEs (e.g. for maphack recovery). * Prototype of a mechanism to gray out certain portion of a map, making them inactive to various, but not all, editing operations. Highlighting a set of sectors and pressing Ctrl-R will make the Z bounds be [(least ceiling z), (greatest floor z)] of all selected ones, pressing Ctrl-R when no sectors are highlighted will reset them. Not sure if it's for production use at this stage... * The 'align walls' feature [.] now has three independently toggleable behaviours: recurse nextwalls (toggled when Ctrl is pressed), iterate point2s (disabled when Shift is pressed), and also copy pixel width (toggled when Alt is pressed). * Make shades clamp instead of overflowing in the editor Fixes: * crash when carrying out certain operations on walls with xrepeat 0 * the Pause key on linux. Also make demo recording start on Shift-ScrollLock because ScrollLock alone is too easily pressed when pausing

tile.

* Tag labeling system for 'link'-type tags, including saving and restoring the tag labels to a separate file '<mapname>.maptags'. Whether a tag is eligible for linking, is determined by a hardcoded (but extensible via m32script) function.

* Sprite cstat 2048 ('use own shade', [N]) now works more or less. (Issues may arise when combined with sector light effects.) * Begin work on 'smart' tag labeling system for Mapster32. Right now, it only displays a '+' after tags with linking semantics. *