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Add notes about ErrorList lexer
(and better crosslink between that, Views>Show Symbol, and Toolbar)
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‎content/docs/programing-languages.md

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@@ -13,21 +13,21 @@ Around 90 Programming Languages are supported by Notepad++:
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| AutoIt | AviSynth | BaanC | Batch | BlitzBasic |
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| C | C# | C++ | CAML | CMake |
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| COBOL | CoffeeScript | Csound | CSS | D |
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| Diff | Erlang | ESCRIPT | Forth | Fortran fixed form |
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| Fortran free form | FreeBasic | GDScript | Go | Gui4Cli |
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| Haskell | Hollywood | HTML | ini | Inno Setup |
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| Intel HEX | Internal Search | Java | JavaScript | json |
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| json5 | JSP | KiXtart | LaTeX | Lisp |
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| Lua | Makefile | MATLAB | MMIXAL | mssql |
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| NFO | Nim | Nncrontab | NSIS | Objective-C |
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| OScript | Pascal | Perl | PHP | PostScript |
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| PowerShell | Properties file | PureBasic | Python | R |
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| Raku | RC | REBOL | registry | Ruby |
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| Rust | SAS | S-Record | Scheme | Shell |
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| Smalltalk | Spice | SQL | Swift | TCL |
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| Tektronix extended HEX | TeX | TOML | txt2tags | TypeScript |
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| Verilog | VHDL | Visual Basic | Visual Prolog | XML |
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| YAML | | | | |
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| Diff | Erlang | ErrorList | ESCRIPT | Forth |
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| Fortran fixed form | Fortran free form | FreeBasic | GDScript | Go |
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| Gui4Cli | Haskell | Hollywood | HTML | ini |
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| Inno Setup | Intel HEX | Internal Search | Java | JavaScript |
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| json | json5 | JSP | KiXtart | LaTeX |
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| Lisp | Lua | Makefile | MATLAB | MMIXAL |
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| mssql | NFO | Nim | Nncrontab | NSIS |
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| Objective-C | OScript | Pascal | Perl | PHP |
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| PostScript | PowerShell | Properties file | PureBasic | Python |
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| R | Raku | RC | REBOL | registry |
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| Ruby | Rust | SAS | S-Record | Scheme |
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| Shell | Smalltalk | Spice | SQL | Swift |
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| TCL | Tektronix extended HEX | TeX | TOML | txt2tags |
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| TypeScript | Verilog | VHDL | Visual Basic | Visual Prolog |
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| XML | YAML | | | |
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For these languages, Notepad++ supports [syntax highlighting](../preferences/#style-configurator) (customizable),
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syntax folding, [auto-completion](../auto-completion/) (customizable),
@@ -42,16 +42,35 @@ on files that are over 200MB -- this prevents extreme performance slowdown cause
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syntax highlight extremely large files. This threshold is configurable in
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[Settings > Preferences > Performance](../preferences/#performance) (starting in v8.4.7).
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### JavaScript
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### Notes on Specific Languages
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#### JavaScript
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Internally, there are actually two entries for JavaScript: in the [Style Configurator](../preferences/#style-configurator),
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these show up as "JavaScript" and "JavaScript (embedded)". The first is for standalone JavaScript files (usually with `.js`
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extension); the second is for when JavaScript is embedded in an HTML file -- so you can actually have different color rules
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for when the JavaScript is inside HTML and when it's a separate file. (In the [`langs.xml`](../config-files/#keyword-lists-langsxml)
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and [`stylers.xml`](../config-files/#highlighting-schemes-stylersxml) config files, the standalone uses `name="javascript.js"`.)
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these show up as "JavaScript" and "JavaScript (embedded)". The first is for
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standalone JavaScript files (usually with `.js` extension); the second is for when JavaScript is embedded in an HTML
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file -- so you can actually have different color rules for when the JavaScript is inside HTML and when it's a separate
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file. (In the [`langs.xml`](../config-files/#keyword-lists-langsxml) and [`stylers.xml`](../config-files/#highlighting-schemes-stylersxml)
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config files, the standalone uses `name="javascript.js"`.)
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If you manually pick **Language > J > JavaScript**, the active file will use the standalone JavaScript settings.
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#### ErrorList
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The ErrorList language, available starting in v8.8.1, is useful for looking at logfiles, error output from compilers,
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and colorful terminal outputs (like from the Windows PowerShell window or a Linux shell window), or anything else which
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uses [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code). The syntax highlighting for this language will
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include coloring the various error outputs, as well as applying the _foreground_ color specified from ANSI escape codes
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(it will _not_ change the background color, even if the ANSI escape sequence does).
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While this Language is active, if you toggle **[View > Show Symbol](../views/#show-symbol) > Show Control Characters &
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Unicode EOL** (or **Show All Characters**, or use the [Toolbar](../user-interface/#toolbar) equivalents):
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when control characters or all characters are
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shown, then ANSI escape sequences will look like <kbd>ESC</kbd>`[31m`, and will take up space in the view; when control
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character are not shown (or when **Show All Characters** is toggled off), then the entire escape sequence will be
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hidden. (This is different than in other lexers, where turning off the control character visibility would just hide the
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`ESC` character, but not the rest of the ANSI escape sequence.)
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### Themes and Language Support
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There are times when a particular Theme will not have been updated to include syntax highlighting for a given Language.

‎content/docs/views.md

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- **Show All Characters**: If this option is not currently checkmarked, choosing this action will checkmark this menu entry _and_ all of the previous **Show Symbol** options at the same time, thus enabling viewing of all the special characters. If this option is currently checkmarked, choosing this action will remove the checkmark from itself and all of the previous options at the same time, thus disabling viewing of all the special characters. If you manually checkmark all the previous settings in this sub-menu, this one will automatically be checkmarked. If you manually uncheckmark one or more of the previous settings in this sub-menu, this one will be uncheckmarked.
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- The **** toolbar button is equivalent to activing this menu action, so it will toggle whether or not all special characters are shown. It has two display modes, "active" and "inactive", which correspond to the checkmark state for the menu item.
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- The **** [toolbar button](../user-interface/#toolbar) is equivalent to activating this menu action, so it will toggle whether or not all special characters are shown. It has two display modes, "active" and "inactive", which correspond to the checkmark state for the menu item.
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The remaining two entries in this sub-menu aren't affecting the glyphs of characters in the file; instead, they are showing information about Notepad++'s indentation and word-wrap:
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