emacs/src, branch feature/margin-columns Emacs is the extensible, customizable, self-documenting real-time display editor. * src/term.c (append_glyph): Fix wide character handling in margins columns. 2025-12-31T07:44:17+00:00 Juri Linkov 2025-12-31T07:44:17+00:00 464e1a5a81cb19263d2d0e26b1964ee08a84ec68 Use 'it->pixel_width' for 'it->margin_column' and 'nglyphs'. Also fix 'glyph->padding_p' (bug#80025). 
Use 'it->pixel_width' for 'it->margin_column' and 'nglyphs'.
Also fix 'glyph->padding_p' (bug#80025).
Make variables 'left-margin-columns' and 'right-margin-columns' buffer-local 2025-12-30T18:08:07+00:00 Juri Linkov 2025-12-30T18:08:07+00:00 3ff8f30f838ae062d45da13ad2cc11bcfe53f963 * src/xdisp.c (handle_single_display_spec): Use FIXNATP for margin column. Also use 'Vleft_margin_columns' instead of 'Fsymbol_value' (bug#80025). (left-margin-columns, right-margin-columns): Use Fmake_variable_buffer_local. 
* src/xdisp.c (handle_single_display_spec): Use FIXNATP for margin column.
Also use 'Vleft_margin_columns' instead of 'Fsymbol_value' (bug#80025).
(left-margin-columns, right-margin-columns): Use Fmake_variable_buffer_local.
Fix term.c:append_glyph for wide character margin column indicators 2025-12-30T18:01:40+00:00 Juri Linkov 2025-12-30T18:01:40+00:00 996b2304e591f75fd0db5540a315a815a05250e7 * src/term.c (append_glyph): Add 'handled_column' variable and use it on existing code instead of immediately returning after adding margin column glyph (bug#80025). 
* src/term.c (append_glyph): Add 'handled_column' variable
and use it on existing code instead of immediately returning
after adding margin column glyph (bug#80025).
Support multi-character margin indicators (bug#80025) 2025-12-29T17:25:12+00:00 Juri Linkov 2025-12-29T17:25:12+00:00 9522f4c79e189023894b391a6876d254756ff026 * src/term.c (append_glyph): * src/xdisp.c (append_glyph, produce_image_glyph): Increment it->margin_column to handle multi-char margin indicators. 
* src/term.c (append_glyph):
* src/xdisp.c (append_glyph, produce_image_glyph):
Increment it->margin_column to handle multi-char margin indicators.
Add new variables 'left-margin-columns' and 'right-margin-columns' (bug#80025) 2025-12-29T17:19:45+00:00 Juri Linkov 2025-12-29T17:19:45+00:00 ea3d05394c0898bfcef6fd38c790ba1ddb781b09 * src/xdisp.c (left-margin-columns, right-margin-columns): New variables. (handle_single_display_spec): Find the column number that corresponds to the position of the column symbol in these variables. * lisp/outline.el (outline--create-button-icons): Add the symbol 'outline' to margin column spec. (outline-minor-mode): Add/remove the symbol 'outline' to/from 'left-margin-columns' and 'right-margin-columns'. * lisp/progmodes/flymake.el (flymake--bs-display): Add the symbol 'flymake' to margin column spec. (flymake--restore-margins): Remove the symbol 'outline' from 'left-margin-columns' and 'right-margin-columns'. (flymake--resize-margins): Add the symbol 'outline' to 'left-margin-columns' and 'right-margin-columns'. * lisp/progmodes/hideshow.el (hs--make-indicators-overlays): Add the symbol 'hideshow' to margin column spec. (hs-minor-mode): Add/remove the symbol 'outline' to/from 'left-margin-columns'. 
* src/xdisp.c (left-margin-columns, right-margin-columns): New variables.
(handle_single_display_spec): Find the column number that
corresponds to the position of the column symbol in these variables.

* lisp/outline.el (outline--create-button-icons):
Add the symbol 'outline' to margin column spec.
(outline-minor-mode): Add/remove the symbol 'outline' to/from
'left-margin-columns' and 'right-margin-columns'.

* lisp/progmodes/flymake.el (flymake--bs-display):
Add the symbol 'flymake' to margin column spec.
(flymake--restore-margins): Remove the symbol 'outline' from
'left-margin-columns' and 'right-margin-columns'.
(flymake--resize-margins): Add the symbol 'outline' to
'left-margin-columns' and 'right-margin-columns'.

* lisp/progmodes/hideshow.el (hs--make-indicators-overlays):
Add the symbol 'hideshow' to margin column spec.
(hs-minor-mode): Add/remove the symbol 'outline' to/from
'left-margin-columns'.
Add the same margin-column handling for term and image glyphs (bug#80025) 2025-12-22T07:27:34+00:00 Juri Linkov 2025-12-22T07:27:34+00:00 7dd94923ef7feabc19406863668dff5a6ed07f7c * src/term.c (append_glyph): * src/xdisp.c (produce_image_glyph): Copy the margin-column random-access indexing with space-padding from 'append_glyph' in xdisp.c. Also copy code from the end of these functions before return after handling the margin column. 
* src/term.c (append_glyph):
* src/xdisp.c (produce_image_glyph):
Copy the margin-column random-access indexing with space-padding
from 'append_glyph' in xdisp.c.  Also copy code from the end of these
functions before return after handling the margin column.
Initial implementation of column-based margin indicators (bug#80025) 2025-12-21T07:32:32+00:00 Juri Linkov 2025-12-21T07:32:32+00:00 1c55ea07fa778ca129fc39a0e98ab007916b4155 * src/dispextern.h (it): Add 'margin_column' field. * src/xdisp.c (handle_single_display_spec): Parse margin column specification '(margin left-margin COLUMN)' and set the column to 'it->margin_column'. (append_glyph): Support random-access indexing of margin column, padding with spaces when the required column is beyond the used area. 
* src/dispextern.h (it): Add 'margin_column' field.

* src/xdisp.c (handle_single_display_spec): Parse margin column
specification '(margin left-margin COLUMN)' and set the column
to 'it->margin_column'.
(append_glyph): Support random-access indexing of margin column,
padding with spaces when the required column is beyond the used area.
; Avoid compilation warnings in xwidget.c on macOS 2025-12-21T06:15:55+00:00 Eli Zaretskii 2025-12-21T06:15:55+00:00 040374be2dd0b601cdd69e2355cb1418b79398f6 * src/xwidget.c (Fxwidget_perform_lispy_event): Avoid compiler warnings about set but not used variables. (Bug#80044) 
* src/xwidget.c (Fxwidget_perform_lispy_event): Avoid compiler
warnings about set but not used variables.  (Bug#80044)
Improve handling of non-ASCII characters in 'transpose-regions' 2025-12-20T18:23:29+00:00 Jens Schmidt 2025-12-17T21:20:15+00:00 0aabe62b64b4698340e8414d28b0fa0a3eabbf82 * src/editfns.c (Ftranspose_regions): Separate code related to character semantics from that related to byte semantics and in that way leverage optimizations for regions of equal length with respect to both semantics. Move and update comments dating back to the initial implementation. * test/src/editfns-tests.el (editfns-tests--transpose-regions-tests) (editfns-tests--transpose-regions-markups) (editfns-tests--transpose-regions): New test and accompanying variables. 
* src/editfns.c (Ftranspose_regions): Separate code related to character
semantics from that related to byte semantics and in that way leverage
optimizations for regions of equal length with respect to both
semantics.  Move and update comments dating back to the initial
implementation.
* test/src/editfns-tests.el (editfns-tests--transpose-regions-tests)
(editfns-tests--transpose-regions-markups)
(editfns-tests--transpose-regions): New test and accompanying variables.
Fix byte-vs-char length issue in 'transpose-regions' 2025-12-20T18:23:21+00:00 Jens Schmidt 2025-12-17T21:06:12+00:00 875e42d501df262fcd9903528657997d025e5c68 * src/editfns.c (Ftranspose_regions): Calculate length of range between regions both in units of bytes and characters and use these values as appropriate. 
* src/editfns.c (Ftranspose_regions): Calculate length of range between
regions both in units of bytes and characters and use these values as
appropriate.