bug#23574: 24.5; Overzealous underlining in emacs-nox

[Colin Woodbury <cwoodbury@azavea.com>]

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Confirmed that this is definitely strictly a problem with emacs in the
terminal. Has anyone had a chance to look at this?

On Wed, May 18, 2016 at 10:03 AM, Colin Woodbury <cwoodbury@azavea.com>
wrote:

> I use ensime for Scala editing, and I've come across a strange display bug
>  which is only present in `emacs -nw`, `emacsclient -nw` or just `emacs`
> from
>  the `emacs-nox` package. It has to do with some very jarring underlining
>  that occurs during ensime's "semantic highlighting". The issue does not
>  occur in normal GUI emacs.
>
>  I've contacted the ensime maintainers, and while they can reproduce the
>  bug, they claim it isn't an ensime problem. Hence I'm here.
>
>  The ensime bug report (with pictures and instructions to reproduce) can
> be found here:
>  https://github.com/ensime/ensime-emacs/issues/440
>
>  Thanks for any help you can give.
>
>  In GNU Emacs 24.5.1 (x86_64-unknown-linux-gnu)
>   of 2016-05-01 on svetlemodry
>  System Description:     Arch Linux
>
>  Configured using:
>   `configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
>   --localstatedir=/var --without-x --without-sound 'CFLAGS=-march=x86-64
>   -mtune=generic -O2 -pipe -fstack-protector-strong'
>   CPPFLAGS=-D_FORTIFY_SOURCE=2
>   LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro'
>
>  Important settings:
>    value of $LANG: en_US.UTF-8
>    locale-coding-system: utf-8-unix
>
> Major mode: Scala
>
>  Minor modes in effect:
>    yas-minor-mode: t
>    company-mode: t
>    diff-auto-refine-mode: t
>    ensime-mode: t
>    helm-mode: t
>    shell-dirtrack-mode: t
>    async-bytecomp-package-mode: t
>    electric-pair-mode: t
>    tooltip-mode: t
>    electric-indent-mode: t
>    menu-bar-mode: t
>    file-name-shadow-mode: t
>    global-font-lock-mode: t
>    font-lock-mode: t
>    auto-composition-mode: t
>    auto-encryption-mode: t
>    auto-compression-mode: t
>    column-number-mode: t
>    line-number-mode: t
>    transient-mark-mode: t
>
>  Recent messages:
>  Wrote /home/colin/*message*-20160518-095148
>  C-c k is undefined
>  C-c C-n is undefined
>  Mark saved where search started
>  Quit
>  ENSIME server starting...
>  Connecting to Swank on port 38005..
>  Connected to ENSIME speaking protocol 0.8.20, please wait while the
> project is loaded.
>  Initializing Analyzer. Please wait...
>  ENSIME ready. Colin, this could be the start of a beautiful program.
>
>  Load-path shadows:
>  /home/colin/.emacs.d/elpa/helm-20160517.202/helm-multi-match hides
> /home/colin/.emacs.d/elpa/helm-core-2\
>  0160516.2343/helm-multi-match
>
>  Features:
>  (network-stream starttls tls ido vc-git ensime-company yasnippet company
>  pcase scala-mode scala-mode-prettify-symbols scala-mode-imenu
>  scala-mode-map scala-mode-fontlock scala-mode-indent
>  scala-mode-paragraph scala-mode-lib image-file misearch multi-isearch
>  shadow sort mail-extr emacsbug message idna rfc822 mml mml-sec mm-decode
>  mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
>  sendmail rfc2047 rfc2045 ietf-drums mail-utils winner helm-command
>  helm-elisp helm-eval edebug eldoc help-mode org-clock diary-lib
>  diary-loaddefs cal-iso org-element org-rmail org-mhe org-irc org-info
>  org-gnus org-docview doc-view jka-compr image-mode image org-bibtex
>  bibtex org-bbdb org-w3m org-agenda org org-macro org-footnote
>  org-pcomplete org-list org-faces org-entities org-version ob-emacs-lisp
>  ob ob-tangle ob-ref ob-lob ob-table ob-exp org-src ob-keys ob-comint
>  ob-core ob-eval org-compat org-macs org-loaddefs find-func cal-menu
>  calendar cal-loaddefs server ensime ensime-sbt sbt-mode sbt-mode-rgrep
>  grep sbt-mode-comint sbt-mode-buffer sbt-mode-project sbt-mode-vars
>  ensime-http ensime-ui ensime-semantic-highlight ensime-doc ensime-search
>  ensime-undo ensime-startup ensime-refactor diff-mode ensime-popup
>  ensime-notes ensime-model ensime-mode ensime-inspector imenu
>  ensime-goto-testfile ensime-editor popup ensime-debug gdb-mi bindat gud
>  ensime-stacktrace ensime-inf ensime-completion-util scala-mode-syntax
>  ensime-config ensime-util ensime-client ensime-vars s ucs-normalize
>  hideshow arc-mode archive-mode dash url-gw ensime-macros cl
>  haskell-interactive-mode haskell-presentation-mode haskell-collapse
>  haskell-process haskell-session json haskell-navigate-imports
>  haskell-compile haskell-mode haskell-cabal haskell-utils
>  haskell-font-lock haskell-indentation haskell-string
>  haskell-sort-imports haskell-lexeme haskell-align-imports haskell-compat
>  haskell-complete-module noutline outline flymake etags dabbrev
>  haskell-customize helm-mode helm-files rx image-dired tramp tramp-compat
>  tramp-loaddefs trampver shell pcomplete format-spec dired-x dired-aux
>  ffap thingatpt helm-buffers helm-elscreen helm-tags helm-bookmark
>  helm-adaptive helm-info bookmark pp helm-locate helm-grep helm-regexp
>  helm-plugin helm-external helm-net browse-url xml url url-proxy
>  url-privacy url-expand url-methods url-history url-cookie url-domsuf
>  url-util url-parse auth-source gnus-util time-date mm-util mail-prsvr
>  password-cache url-vars mailcap helm-utils compile comint regexp-opt
>  ansi-color ring helm-help helm-types helm easy-mmode cl-macs gv
>  helm-source eieio byte-opt bytecomp byte-compile cl-extra cconv
>  eieio-core helm-multi-match helm-lib dired helm-config helm-easymenu
>  edmacro kmacro async-bytecomp advice help-fns async cl-loaddefs cl-lib
>  elec-pair info tool-bar easymenu package epg-config tooltip electric
>  uniquify ediff-hook vc-hooks lisp-float-type tabulated-list newcomment
>  lisp-mode prog-mode register page menu-bar rfn-eshadow timer select
>  mouse jit-lock font-lock syntax facemenu font-core frame cham georgian
>  utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
>  japanese hebrew greek romanian slovak czech european ethiopic indian
>  cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
>  minibuffer nadvice loaddefs button faces cus-face macroexp files
>  text-properties overlay sha1 md5 base64 format env code-pages mule
>  custom widget hashtable-print-readable backquote make-network-process
>  dbusbind gfilenotify multi-tty emacs)
>
> Memory information:
>  ((conses 16 493230 27709)
>   (symbols 48 45671 8)
>   (miscs 40 936 1876)
>   (strings 32 102177 15065)
>   (string-bytes 1 3052221)
>   (vectors 16 60425)
>   (vector-slots 8 931107 9519)
>   (floats 8 234 1600)
>   (intervals 56 2997 0)
>   (buffers 960 37)
>   (heap 1024 48683 1909))
>
> --
> Colin Woodbury
> Geotrellis Team @ Azavea
>



-- 
Colin Woodbury
Geotrellis Team @ Azavea

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