diff --git a/.lessfilter b/.lessfilter
old mode 100644
new mode 100755
index 8056937..458d9b8
--- a/.lessfilter
+++ b/.lessfilter
@@ -1,5 +1,5 @@
 #!/bin/bash
-# uses Pygments v2.14.0 for syntax highlighting on applicable file types
+# uses Pygments v2.15.1 for syntax highlighting on applicable file types
 for path in "$@"; do
     # match by known filenames
     filename=$(basename "$path")
@@ -19,28 +19,29 @@ for path in "$@"; do
         *.applescript|*.arexx|*.art|*.arw|*.as|*.asax|*.asc|*.ascx|*.ashx|\
         *.asm|*.asmx|*.aspx|*.asy|*.at|*.au3|*.aug|*.automount|*.aux|*.awk|\
         *.axd|*.b|*.bare|*.bas|*.bash|*.bat|*.bb|*.bbc|*.bc|*.be|*.befunge|\
-        *.bf|*.bib|*.bmx|*.bnf|*.boa|*.boo|*.bpl|*.bro|*.bst|*.bug|*.bzl|*.c|\
-        *.c++|*.c++-objdump|*.c-objdump|*.cadl|*.camkes|*.capnp|*.cbl|*.cc|\
-        *.cddl|*.cdf|*.cdl|*.ceylon|*.cf|*.cfc|*.cfg|*.cfm|*.cfml|*.chai|\
-        *.chpl|*.ci|*.cirru|*.cjs|*.cl|*.clay|*.clj|*.cljc|*.cljs|*.cls|\
-        *.cmake|*.cmd|*.cml|*.cob|*.coffee|*.comal|*.cp|*.cpl|*.cpp|\
-        *.cpp-objdump|*.cps|*.cpsa|*.cpy|*.cr|*.crmsh|*.croc|*.cry|*.cs|*.csd|\
-        *.csh|*.css|*.css.in|*.css.j2|*.css.jinja2|*.cssul4|*.cu|*.cuh|*.cw|\
-        *.cxx|*.cxx-objdump|*.cyp|*.cypher|*.d|*.d-objdump|*.darcspatch|\
-        *.dart|*.dasm|*.dasm16|*.dcl|*.decls|*.def|*.device|*.dg|*.di|*.diff|\
-        *.dmesg|*.do|*.docker|*.dot|*.dpatch|*.dpr|*.dtd|*.dts|*.dtsi|*.duby|\
-        *.duel|*.dyalog|*.dyl|*.dylan|*.dylan-console|*.e|*.ebnf|*.ebuild|\
-        *.ec|*.ecl|*.eclass|*.edp|*.eex|*.eg|*.eh|*.el|*.elm|*.elpi|*.eml|\
-        *.eps|*.erl|*.erl-sh|*.es|*.escript|*.evoque|*.ex|*.exec|*.exheres-0|\
-        *.exlib|*.exs|*.exw|*.ezt|*.f|*.f03|*.f90|*.factor|*.fan|*.fancypack|\
-        *.fc|*.feature|*.fhtml|*.fif|*.fish|*.flo|*.flx|*.flxh|*.fnl|*.frag|\
-        *.frt|*.fs|*.fsi|*.fst|*.fsti|*.fsx|*.fun|*.func|*.fut|*.fy|*.g|*.gap|\
-        *.gcode|*.gd|*.gdc|*.gemspec|*.geo|*.gi|*.go|*.golo|*.gradle|*.graph|\
-        *.groovy|*.gs|*.gsp|*.gsql|*.gst|*.gsx|*.gv|*.h|*.h++|*.haml|\
-        *.handlebars|*.hbs|*.hdp|*.hh|*.hlsl|*.hlsli|*.hpp|*.hrl|*.hs|*.hsail|\
-        *.htm|*.htm.j2|*.htm.jinja2|*.html|*.html.j2|*.html.jinja2|*.htmlul4|\
-        *.hx|*.hxml|*.hxsl|*.hxx|*.hy|*.hyb|*.i|*.i6t|*.i7x|*.icl|*.icn|\
-        *.icon|*.idc|*.idl|*.idl4|*.idr|*.ijs|*.ik|*.inc|*.inf|*.ini|*.ino|\
+        *.bf|*.bib|*.blp|*.bmx|*.bnf|*.boa|*.boo|*.bpl|*.bro|*.bst|*.bug|\
+        *.bzl|*.c|*.c++|*.c++-objdump|*.c-objdump|*.cadl|*.camkes|*.capnp|\
+        *.carbon|*.cbl|*.cc|*.cddl|*.cdf|*.cdl|*.ceylon|*.cf|*.cfc|*.cfg|\
+        *.cfm|*.cfml|*.chai|*.chpl|*.ci|*.cirru|*.cjs|*.cl|*.clay|*.clj|\
+        *.cljc|*.cljs|*.cls|*.cmake|*.cmd|*.cml|*.cob|*.coffee|*.comal|*.cp|\
+        *.cpl|*.cpp|*.cpp-objdump|*.cps|*.cpsa|*.cpy|*.cr|*.crmsh|*.croc|\
+        *.cry|*.cs|*.csd|*.csh|*.css|*.css.in|*.css.j2|*.css.jinja2|*.cssul4|\
+        *.cu|*.cuh|*.cw|*.cxx|*.cxx-objdump|*.cyp|*.cypher|*.d|*.d-objdump|\
+        *.darcspatch|*.dart|*.dasm|*.dasm16|*.dax|*.dcl|*.decls|*.def|\
+        *.device|*.dg|*.di|*.diff|*.dmesg|*.do|*.docker|*.dot|*.dpatch|*.dpr|\
+        *.dtd|*.dts|*.dtsi|*.duby|*.duel|*.dyalog|*.dyl|*.dylan|\
+        *.dylan-console|*.e|*.ebnf|*.ebuild|*.ec|*.ecl|*.eclass|*.edp|*.eex|\
+        *.eg|*.eh|*.el|*.elm|*.elpi|*.eml|*.eps|*.erl|*.erl-sh|*.es|*.escript|\
+        *.evoque|*.ex|*.exec|*.exheres-0|*.exlib|*.explain|*.exs|*.exw|*.ezt|\
+        *.f|*.f03|*.f90|*.factor|*.fan|*.fancypack|*.fc|*.feature|*.fhtml|\
+        *.fif|*.fish|*.flo|*.flx|*.flxh|*.fnl|*.frag|*.frt|*.fs|*.fsi|*.fst|\
+        *.fsti|*.fsx|*.fun|*.func|*.fut|*.fy|*.g|*.gap|*.gcode|*.gd|*.gdc|\
+        *.gemspec|*.geo|*.gi|*.go|*.golo|*.gradle|*.graph|*.graphql|*.groovy|\
+        *.gs|*.gsp|*.gsql|*.gst|*.gsx|*.gv|*.h|*.h++|*.haml|*.handlebars|\
+        *.hbs|*.hcl|*.hdp|*.hh|*.hlsl|*.hlsli|*.hpp|*.hrl|*.hs|*.hsail|*.htm|\
+        *.htm.j2|*.htm.jinja2|*.html|*.html.j2|*.html.jinja2|*.htmlul4|*.hx|\
+        *.hxml|*.hxsl|*.hxx|*.hy|*.hyb|*.i|*.i6t|*.i7x|*.icl|*.icn|*.icon|\
+        *.idc|*.idl|*.idl4|*.idr|*.ijs|*.ik|*.inc|*.inf|*.ini|*.ino|\
         *.instances|*.intr|*.io|*.ipf|*.isa|*.j|*.jade|*.jag|*.java|*.jbst|\
         *.jcl|*.jl|*.jp|*.js|*.js.in|*.js.j2|*.js.jinja2|*.jsgf|*.jslt|*.jsm|\
         *.json|*.jsonld|*.jsonnet|*.jsp|*.jsul4|*.juttle|*.jy|*.k|*.kal|*.kid|\
@@ -58,40 +59,41 @@ for path in "$@"; do
         *.phtml|*.pidl|*.pig|*.pike|*.pl|*.pl6|*.plot|*.plt|*.pm|*.pm6|*.pmod|\
         *.po|*.pony|*.portugol|*.pot|*.pov|*.pp|*.praat|*.prg|*.pro|*.proc|\
         *.prolog|*.promql|*.properties|*.proto|*.ps|*.ps1|*.psc|*.psi|*.psl|\
-        *.psm1|*.ptls|*.pug|*.pwn|*.pxd|*.pxi|*.py|*.py2tb|*.py3tb|*.pyi|\
-        *.pypylog|*.pytb|*.pyul4|*.pyw|*.pyx|*.q|*.qbs|*.qml|*.qvs|*.qvto|\
-        *.qvw|*.r|*.r3|*.rake|*.raku|*.rakudoc|*.rakumod|*.rakutest|*.rb|\
-        *.rbw|*.rbx|*.re|*.reb|*.red|*.reds|*.reg|*.rei|*.resource|*.rest|\
-        *.rex|*.rexx|*.rhtml|*.ride|*.rita|*.rkt|*.rktd|*.rktl|*.rl|*.rnc|\
-        *.robot|*.rpf|*.rq|*.rql|*.rs|*.rs.in|*.rsl|*.rss|*.rst|*.rts|*.run|\
-        *.rvt|*.rx|*.s|*.sage|*.sarl|*.sas|*.sass|*.savi|*.sbl|*.sc|*.scala|\
-        *.scaml|*.scd|*.scdoc|*.sce|*.sci|*.scm|*.sco|*.scope|*.scss|*.sed|\
-        *.service|*.sgf|*.sh|*.sh-session|*.shell-session|*.shen|*.shex|\
-        *.sieve|*.sig|*.sil|*.siv|*.sl|*.sla|*.slice|*.slim|*.sls|*.smali|\
-        *.smithy|*.sml|*.smv|*.snbt|*.snobol|*.socket|*.sol|*.sp|*.sparql|\
-        *.spec|*.spice|*.spt|*.sql|*.sql.j2|*.sql.jinja2|*.sqlite3-console|\
-        *.ss|*.ssp|*.st|*.stan|*.sv|*.svh|*.swap|*.swg|*.swift|*.t|*.tac|\
-        *.tal|*.tap|*.target|*.tasm|*.tcl|*.tcsh|*.tea|*.teal|*.tex|*.tf|\
-        *.thrift|*.thy|*.ti|*.tid|*.timer|*.tlb|*.tmpl|*.tnt|*.toc|*.todotxt|\
-        *.toml|*.tpl|*.tpp|*.treetop|*.ts|*.tst|*.tt|*.ttl|*.twig|*.txt|\
-        *.typoscript|*.u|*.u1|*.u2|*.udo|*.ul4|*.usd|*.usda|*.v|*.vala|*.vapi|\
-        *.vark|*.vb|*.vbs|*.vcl|*.vert|*.vhd|*.vhdl|*.vim|*.vm|*.vpr|*.wast|\
-        *.wat|*.wdiff|*.webidl|*.weechatlog|*.whiley|*.wlua|*.wren|*.wsdl|\
-        *.wsf|*.x|*.x10|*.x[bp]m|*.xhtml|*.xhtml.j2|*.xhtml.jinja2|*.xi|*.xm|\
-        *.xmi|*.xml|*.xml.j2|*.xml.jinja2|*.xmlul4|*.xpl|*.xq|*.xql|*.xqm|\
-        *.xquery|*.xqy|*.xsd|*.xsl|*.xslt|*.xtend|*.xtm|*.xul.in|*.yaml|\
-        *.yaml.j2|*.yaml.jinja2|*.yang|*.yml|*.yml.j2|*.yml.jinja2|*.zeek|\
-        *.zep|*.zig|*.zsh|*Config.in*|*Spec.hs|.Renviron|.Rhistory|.Rprofile|\
-        .SRCINFO|.bashrc|.editorconfig|.exrc|.gvimrc|.htaccess|.kshrc|.vimrc|\
-        .zshrc|BUCK|BUILD|BUILD.bazel|CMakeLists.txt|Dockerfile|GNUmakefile|\
-        Gemfile|Kconfig*|Makefile|Makefile.*|PKGBUILD|Pipfile|Pipfile.lock|\
-        Procfile|Rakefile|SConscript|SConstruct|Singularity|Vagrantfile|\
-        WORKSPACE|apache.conf|apache2.conf|autodelegate|autohandler|bashrc|\
-        control|dhandler|exrc|external.in*|gvimrc|iddsa|idecdsa|idecdsask|\
-        ided25519|ided25519sk|idrsa|kshrc|lighttpd.conf|makefile|meson.build|\
-        mesonoptions.txt|nginx.conf|pacman.conf|poetry.lock|sources.list|\
-        squid.conf|standard-modules.in|termcap|termcap.src|terminfo|\
-        terminfo.src|todo.txt|vimrc|xorg.conf|zshrc)
+        *.psm1|*.ptls|*.ptx|*.pug|*.pwn|*.pxd|*.pxi|*.py|*.py2tb|*.py3tb|\
+        *.pyi|*.pypylog|*.pytb|*.pyul4|*.pyw|*.pyx|*.q|*.qbs|*.qml|*.qvs|\
+        *.qvto|*.qvw|*.r|*.r3|*.rake|*.raku|*.rakudoc|*.rakumod|*.rakutest|\
+        *.rb|*.rbw|*.rbx|*.re|*.reb|*.red|*.reds|*.reg|*.rei|*.resource|\
+        *.rest|*.rex|*.rexx|*.rhtml|*.ride|*.rita|*.rkt|*.rktd|*.rktl|*.rl|\
+        *.rnc|*.robot|*.rpf|*.rq|*.rql|*.rs|*.rs.in|*.rsl|*.rss|*.rst|*.rts|\
+        *.run|*.rvt|*.rx|*.s|*.sage|*.sarl|*.sas|*.sass|*.savi|*.sbl|*.sc|\
+        *.scad|*.scala|*.scaml|*.scd|*.scdoc|*.sce|*.sci|*.scm|*.sco|*.scope|\
+        *.scss|*.sed|*.service|*.sgf|*.sh|*.sh-session|*.shell-session|*.shen|\
+        *.shex|*.sieve|*.sig|*.sil|*.siv|*.sl|*.sla|*.slice|*.slim|*.sls|\
+        *.smali|*.smithy|*.sml|*.smv|*.snbt|*.snobol|*.socket|*.sol|*.sp|\
+        *.sparql|*.spec|*.spice|*.spt|*.sql|*.sql.j2|*.sql.jinja2|\
+        *.sqlite3-console|*.ss|*.ssp|*.st|*.stan|*.sv|*.svh|*.swap|*.swg|\
+        *.swift|*.t|*.tac|*.tal|*.tap|*.target|*.tasm|*.tcl|*.tcsh|*.tea|\
+        *.teal|*.tex|*.tf|*.thrift|*.thy|*.ti|*.tid|*.timer|*.tlb|*.tmpl|\
+        *.tnt|*.toc|*.todotxt|*.toml|*.tpl|*.tpp|*.treetop|*.ts|*.tst|*.tt|\
+        *.ttl|*.twig|*.txt|*.typoscript|*.u|*.u1|*.u2|*.udo|*.ul4|*.usd|\
+        *.usda|*.v|*.vala|*.vapi|*.vark|*.vb|*.vbs|*.vcl|*.vert|*.vhd|*.vhdl|\
+        *.vim|*.vm|*.vp|*.vpr|*.wast|*.wat|*.wdiff|*.webidl|*.weechatlog|\
+        *.wgsl|*.whiley|*.wlua|*.wren|*.wsdl|*.wsf|*.x|*.x10|*.x[bp]m|*.xhtml|\
+        *.xhtml.j2|*.xhtml.jinja2|*.xi|*.xm|*.xmi|*.xml|*.xml.j2|*.xml.jinja2|\
+        *.xmlul4|*.xpl|*.xpp|*.xq|*.xql|*.xqm|*.xquery|*.xqy|*.xsd|*.xsl|\
+        *.xslt|*.xtend|*.xtm|*.xul.in|*.yaml|*.yaml.j2|*.yaml.jinja2|*.yang|\
+        *.yml|*.yml.j2|*.yml.jinja2|*.zeek|*.zep|*.zig|*.zsh|*Config.in*|\
+        *Spec.hs|.Renviron|.Rhistory|.Rprofile|.SRCINFO|.bashrc|.editorconfig|\
+        .exrc|.gvimrc|.htaccess|.kshrc|.vimrc|.zshrc|BUCK|BUILD|BUILD.bazel|\
+        CMakeLists.txt|Dockerfile|GNUmakefile|Gemfile|Kconfig*|Makefile|\
+        Makefile.*|PKGBUILD|Pipfile|Pipfile.lock|Procfile|Rakefile|SConscript|\
+        SConstruct|Singularity|Vagrantfile|WORKSPACE|apache.conf|apache2.conf|\
+        autodelegate|autohandler|bashrc|control|dhandler|exrc|external.in*|\
+        gvimrc|iddsa|idecdsa|idecdsask|ided25519|ided25519sk|idrsa|kshrc|\
+        lighttpd.conf|makefile|meson.build|mesonoptions.txt|nginx.conf|\
+        pacman.conf|poetry.lock|sources.list|squid.conf|standard-modules.in|\
+        termcap|termcap.src|terminfo|terminfo.src|todo.txt|vimrc|xorg.conf|\
+        zshrc)
             # filename recognized
             pygmentize -f 256 -O style="$PYGMENTIZE_STYLE" "$path"
             ;;
diff --git a/README.md b/README.md
index c3254b2..195d32f 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ export LESSOPEN='|~/.lessfilter %s'
 
 ### 4. Create ~/.lessfilter
 Run [main.py](main.py) to generate the latest `.lessfilter` file and place it in your home directory.
-Or you can download a pre-generated [.lessfilter](.lessfilter) which is currently at version `2.14.0`.
+Or you can download a pre-generated [.lessfilter](.lessfilter) which is currently at version `2.15.1`.
 Check your program version by running `pygmentize -V` to ensure that it is this version or newer.
 
 ### 5. Make ~/.lessfilter executable