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* fold.c: more edge-cases when updating (#6207)Matthew Malcomson2017-03-31
| | | | | | | | | | | | | | | | When foldUpdateIEMSRecurse() re-uses an existing fold, it misses the case where the existing fold spans from before startlnum to after firstlnum, the new fold does not span this range, and there is no "forced start" of a fold. We add a case for this in. Ensure that if there was no forced break in folds, we merge folds that now touch each other. Include testing for a tricky foldmethod=expr case that has never been a bug. This case works at the moment because of some effects that are not obvious when reading the code. A test for this could be useful to ensure a regression doesn't happen. vim-patch:8.0.0408
* vim-patch:8.0.0407 : filtering folds with marker method not testedMatthew Malcomson2017-03-23
| | | | | Problem: Filtering folds with marker method not tested. Solution: Also set 'foldmethod' to "marker".
* Robustly handle folds during a :move commandMatthew Malcomson2017-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to re-order marks according to the :move command, do_move() uses mark_adjust() in a non-standard manner. The non-standard action is that it moves some marks *past* other marks. This doesn't matter for marks, but mark_adjust() calls foldMarkAdjust() which simply changes fold starts and lengths and doesn't have enough information to know that other folds have to be checked and reordered. The array of folds for each window are assumed to be in order of increasing line number, and if this gets broken some folds can get "lost". There has been a previous patch to avoid this problem by deleting and recalculating all folds in the window, but this comes at the cost of closing all folds when executing :move, and doesn't cover the case of manual folds. This patch adds a new function foldMoveRange() specifically for the :move command that handles reordering folds as well as simply moving them. Additionally, we allow calling mark_adjust_nofold() that does the same as mark_adjust() but doesn't affect any fold array. Calling mark_adjust_nofold() should be done in the same manner as calling mark_adjust(), but according changes to the fold arrays must be done seperately by the calling function. vim-patch:8.0.0457 vim-patch:8.0.0459 vim-patch:8.0.0461 vim-patch:8.0.0465
* vim-patch:8.0.0453 (#6266)Matthieu Coudron2017-03-13
| | | | | | Problem: Adding fold marker creates new comment. Solution: Use an existing comment if possible. (LemonBoy, closes vim/vim#1549) https://github.com/vim/vim/commit/025a6b708a9bff54c73fb9c641b980da19e943a9
* vim-patch:8.0.0135Justin M. Keyes2017-03-02
Problem: An address relative to the current line, ":.,+3y", does not work properly on a closed fold. (Efraim Yawitz) Solution: Correct for including the closed fold. (Christian Brabandt) https://github.com/vim/vim/commit/ded2782783f352201ac0b05c6dbe4831adb4a58b