In Insert mode with 'delcombine' set, when the cursor is in a screen cell containing not only a spacing character but also one or more combining characters (or, in gvim, seems to be between that screen cell and the one before it) <Del> skips the spacing character and removes a composing character (I haven't checked if it removes the first one, the last one, or all of them). Now :help 'delcombine' doesn't mention the <Del> key. It does mention "Normal-mode x" however, so the fact that the <Del> key acts likewise in Normal mode can be inferred from the stated fact (under ":h <Del>") that there it is equivalent to x or dl. But in Insert mode, x as a delete command doesn't exist (except as Ctrl-O x which brings us temporarily into Normal mode) and according to ":help i_<Del>" <Del> deletes "the character under the cursor"; repeated keypresses delete (in the plain-vanilla case where only spacing characters are present) successive characters going forward.
The meaning of the word "character" here is ambiguous: are the spacing character and all its possible combining characters regarded as one "character" or are they treated severally when 'delcombine' is on? And in the second case, shouldn't the fact that <Del> actually goes backward in the buffer (removing the composing character first and the spacing character afterwards) be documented somewhere (either under ":h i_<Del>" or –maybe preferably– by mentioning <Del> under ":h 'delcombine'", or both)? Or else (if this is regarded as a bug –or a coding bug– rather than a feature –or documentation bug–) shouldn't Insert-mode <Del> remove the spacing character and all its possible composing characters together regardless of 'delcombine', unlike what x (and, by implication only, <Del>) is documented to do in Normal mode, but like what <Del> now does (at patchlevel 9.1.137 and later) in Command-line mode? This Insert-mode behaviour existed at patchlevel 9.1.136 and remains so at patchlevel 9.1.140 so patch 9.1.137 had no effect on it. I tested this in Cyrillic script because my owncoded Russian keymap can easily produce a "combining acute accent" but I expect gvim (or Console Vim if the underlying console knows about composing characters) to behave identically with any composing characters in any script. Best regards, Tony. -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/CAJkCKXsJ2OGUePNGumH8cwgLG0K-PpTe96ihzx9AumeGAjJOAg%40mail.gmail.com.
